ENAT an Online Combined National Admission Test is focused to be a single window examination for fair and merit based admission for Post Graduate and Undergraduate Programmes including Engineering, Management and Medical in a transparent manner.
A unique feature of this exam is its ability to show examinees their scores immediately as soon as they conclude the last question of the administered test.
ENAT's role is to assess the candidate's skills and provide an eligibility list purely based on merit to Universities/Institutions. The admissions however still remain within the jurisdictions of Universities/Institutions.
The ENAT 2010 will be conducted only in the English language. In subsequent years ENAT foresees extending the test to cover other languages.
### Advantages of ENAT to students
* Enables students to choose a suitable & convenient date/place pan india, thereby relieving therein anxiety.
* Substantial financial savings, by eliminating the need for appearing in different tests.
* Provides detailed information of all participating Universities/Institutions and their Programmes at one place.
* Provides much larger choice of institutions available through one single test.
* Provides scores to students immediately after the test.
* Mock online test available on website(s) and the test centers before examination.
* Test Interface is candidate-friendly:
### Advantages of online Examinations
* Permits the students the choice of centre/ date/ time of examination pan India
* Relieves the candidates from appearing in too many unsynchronized entrance examinations in a short span, resulting in clash in dates.
* The high costs and risk associated with printed question paper are avoided.
* Increases geographical area for the participating Universities/Institutions for heterogeneous input.
* Students have much larger choice of Universities/Institutions available to them through a single test
* High level of secrecy, security of testing material and data.
* Simple, effective process of authentication of test- takers
* Instant assessment of the candidates and generation of test score.
* Paper work eliminated completely.
* Time tested process 25 years of experience of GMAT/GRE etc.
### Eligibility:
The eligibility for different courses for which the entrance test is being conducted is available on the website of the respective Universities. The candidates are advised to ensure that they fulfill the eligibility conditions of the programmes of the University(s)/Institution(s), in which they are seeking admission.
### Application Fee:
Application Fee of Rs.500 . This is mandatory for all applicants.
Entrance test Fee of Rs.1000 , only if the course you are applying requires entrance test.
### Test Paper Pattern:
The duration of this entrance exam is two and a half hours.
The test paper will have 60 questions from physics, 60 questions chemistry 80 questions from mathematics and 60 questions from General English.
All questions will be objective type with four options of the 12th standard.
The questions will be in English.
### Important Dates:
- Sale of application forms: February 10, 2011
- Period of examination: April 1 to June 15, 2011
- Last date for receipt of MBA, PGDBM and MPT application: March 22, 2011
- Last date for receipt of applications for other courses: April 3, 2011
### Contact Details:
Education Promotion Society for India
PHD House, 2nd Floor
4/2 Siri Institutional Area
August Kranti Marg
New Delhi 110016
Website www.enat.org.in
Syllabus:
PHYSICS - PART I :
DYNAMICS Newton's laws of motion: First law of motion - force and inertia with examples -momentum - second law of motion, derivation of F=ma, mention of spring force F=kx, mention of basic forces in nature - impulse and impulsive forces with examples - second law as applied to variable mass situation - third law of motion - Identifying action and reaction forces with examples - derivation of law of conservation of momentum with examples in daily life - principle of rocket propulsion - inertial and non-inertial frames - apparent weight in a lift and rocket/satellite - problems.
Fluid Dynamics: Explanation of streamline and turbulent motion - mention of equation of continuity - mention of expressions for PE, KE and pressure energy of an element of a liquid flowing through a pipe - statement and explanation of Bemoulli's theorem and its application to uplift of an aircraft sprayer.
Surface tension: Concept of adhesive and cohesive forces - definition of Surface energy and surface tension and angle of contact - explanation of capillary rise and mention of its expression - mention of application of surface tension to (i) formation of drops and bubbles (ii) capillary action in wick of a lamp (iii) action of detergents.
Work - power - energy: Work done by a force - F.S - unit of work - graphical representation of work done by a constant and variable force - power - units of power - energy - derivation of expression for gravitation potential energy and kinetic energy of a moving body - statement of work - energy theorem - mention of expression for potential energy of a spring - statement and explanation of law of conservation of energy - illustration in the case of a body sliding down on an inclined plane - discussion of special case when? = 90o for afreely falling body - explanation of conservative and non conservative forces with examples - explanation of elastic and inelastic collisions with examples - coefficient of restitution - problems.
Gravitation: Statement and explanation of law of gravitation - definition of G - derivation of relation between g and G - mention of expression for variation of g with altitude, depth and latitude - statement and explanation of Kepler's laws of planetary motion - definition of orbital velocity and escape velocity and mention of their expressions - satellites - basic concepts of geo-stationary satellites, launching of satellites - IRS and communication satellites - brief explanation of Inertial mass and gravitational mass - weightlessness - remote sensing and essentials of space communication - problems.
Concurrent Co-plannar forces: Definition of resultant and equilibrant - statement of law of parallelogram of forces - derivation of expression for magnitude and direction of two concurrent coplanar forces - law of triangle of forces and its converse - Lami's theorem - problems.
HEAT
Gas laws: Statement and explanation of Boyle's law and Charle's law - definition of Pressure and Volume Coefficient of a gas - absolute zero - Kelvin scale of temperature - mention of perfect gas equation - explanation of isothermal and adiabatic changes - mention of Van-der-Waal's equation of state for real gases.
Mode of heat transfer: Conduction of heat - steady state - temperature gradient - definition of coefficient of thermal conductivity - basic concepts of convection of heat - radiation - properties of thermal radiation - radiant energy - definition of emissivity and absorptivity -perfect black body - statement and explanation of Kirchhoff's law.Newton's law of cooling - Stefan's law - Wien's displacement and Planck's law - qualitative explanation of solar constant and surface temperature of sun - principle and working of total radiation pyrometer - problems.
GEOMETRICAL OPTICS
Waves: Waves around us - brief note on light waves, sound waves, radio waves, micro waves, seismic waves - wave as a carrier of energy - classification of waves.(i)based on medium - mechanical and electromagnetic waves(ii) based on vibration of particles in the medium - Longitudinal & transverse waves - one, two & three dimensional waves with example - definition of wave amplitude, wave frequency, wave period, wavelength and wavevelocity - concept of phase of a wave - derivation v=f? to establish the relation between path difference and phase difference - definition of a progressive wave - and its characteristics - derivation of equation of a progressive wave - different forms of a progressive wave equation - definition of wave intensity - mention of expression of wave intensity and its unit - statement and explanation of principles of superposition of waves with examples - problems.
Sound: Properties of sound - speed of sound in a gas - explanation of Newton's formula for speed of sound - correction by Laplace - Newton - Laplace formula - discussion of factors affecting speed i.e. pressure, temperature, humidity and wind - definition of sound intensity - explanation of loudness and its unit - definition of intensity level and its unit - mention of relation between intensity and loudness - distinction between noise and musical note - characteristics of a musical note - phenomenon of beats and its theory - application of beats (i) to find the frequency of a note (ii) to tune the musical instruments -Doppler effect - derivation of expression for apparent frequency in general case and discussion to special cases - qualitative comparison of Doppler effect in sound and light - problems.
Refraction at a plane surface: Refraction through a parallel sided glass slab - derivation of expressions for lateral shift and normal shift (object in a denser medium) - total internal reflection and its applications -optical fibers and its application in communication - problems.
Refraction through a prism: Derivation of expression for the refractive index in terms of A and D -dispersion through a prism - experimental - arrangement for pure spectrum - deviation produced by a thin prism - dispersive power - mention of condition for dispersion without deviation - problems.
Refraction at a spherical surface: Derivation of the relation - connecting n,u,v and r for refraction at a spherical surface (concave towards a point object in a denser medium) derivation of lens maker's formula -power of a lens - magnification - derivation of expression for the equivalent focal length of combination of two thin lenses in contact - mention of expression for equivalent focal length of two thin lenses separated by a distance - problems.
PHYSICAL OPTICS
Introduction to Theories of Light: A brief explanation of Newton's corpuscular theory, Huygen's wave theory and Maxwell's electromagnetic theory - mention of expression for speed of light C=1/vµoeo, qualitative explanation of Hertz's experiment - brief explanation of Planck's quantum theory of radiation -dual nature of light.
Interference: Explanation of the phenomenon theory of interference - derivation of conditions for constructive and destructive interference. Young's double slit experiment, derivation of expression for fringe width - qualitative explanation of interference at thin films and Newton's rings - problems.
Diffraction: Explanation of the phenomenon - distinction between Fresnel and Fraunhoffer diffraction -qualitative explanation of diffraction at single slit and analysis of diffraction pattern (Fraunhoffer type) -qualitative explanation of plane diffraction grating at normal incidence - limit of resolution - resolving power - Rayleigh's criterion - definition and mention of expression for resolving powers of microscope and telescope - problems.
Polarization: Explanation of the phenomenon - representation of polarized and unpolarised light -explanation of plane of polarization and plane of vibration - methods of producing plane polarized light : by reflection - Brewster's law, refraction, double refraction, selective absorption - construction and application of polaroids - optical activity -specific rotatory power - construction and working of Laurent's half shade polarimeter - mention of circularly and elliptically polarized light - problems.
Speed of light: Michelson's rotating mirror experiment to determine of light - importance of speed of light.
ELECTROSTATICS
Electric charges: Concept of charge - Coulomb's law, absolute and relative permittivity - SI unit of charge.
Electrostatic Field: Concept of electric field - definition of field strength - derivation of expression for the field due to an isolated change, concept of dipole - mention of expression for the field due to a dipole -definition of dipole moment - mention of expression for torque on a dipole - explanation of polarization of a dielectric medium - dielectric strength - concept of lines of force and their characteristics - explanation of electric flux - statement and explanation of Gauss theorem and its applications to derive expressions for electric intensity (a) near the surface of a charged conductor (b) near a spherical conductor - concept of electric potential - derivation of the relation between electric field and potential - derivation of expression for potential due to an isolated charge - explanation of potential energy of a system of charges - problems.
Capacitors: Explanation of capacity of a conductor and factors on which it depends - definition of capacitance and its unit - derivation of expression for capacity of a spherical conductor - principle of a capacitor - derivation of expression for capacitance of parallel plate capacitor - mention of expression for capacitance of spherical and cylindrical capacitors - derivation of expression for energy stored in a capacitor - derivation of expression for equivalent capacitance of capacitors in series and parallel - mention of uses of capacitors - problems.
CURRENT ELECTRICITY
Electric current : Microscope view of current through conductors (random motion of electrons) -explanation of drift velocity and mobility - derivation of expression for current I = neA?d - deduction of Ofim's law - origin of resistance - definition of resistivity - temperature coefficient of resistance - concept of super conductivity - explanation of critical temperature, critical field and high temperature superconductors - mention of uses of superconductors - thermostats and mention of their uses - color code for resistors -derivation of expression for effective resistance of resistances in series and parallel -derivation of expression for branch currents - definition of emf and internal resistance of a cell - Ohm's law applied to a circuit -problems.
Kirchoff's laws : Statement and explanation of Kirchoff's laws for electrical network - explanation of Wheastone's network - derivation of the condition for its balance by applying Kirchoff's laws - principle of metre bridge - problems.
Magnetic effect of electric current: Magnetic field produced by electric current - statement and explanation of Biot - Savart's (Laplace's) law - derivation of expression for magnetic field at any point on the axis of a circular coil carrying current and hence expression for magnetic field at the centre - current in a circular coil as a magnetic dipole - explanation of magnetic moment of the current loop - mention of expression for the magnetic field due to (i) a straight current carrying conductor (ii) at a point on the axis of a solenoid - basic concepts of terrestrial magnetism - statement and explanation of Tangent law -construction and theory of tangent galvanometer - problems.
Mechanical effect of electric current: Mention of expression for force on a charge moving in magnetic field - mention of expression for force on a conductor carrying current kept in a magnetic field - statement of Fleming's left hand rule - explanation of magnetic field strength in terms of flux density - derivation of expression for the force between two parallel conductors carrying currents and hence definition of ampere -mention of expression for torque on a current loop kept in an uniform magnetic field - construction and theory of moving coil galvanometer - conversion of a pointer galvanometer into an ammeter and voltmeter -problems.
Electromagnetic Induction: Statement explanation of Faraday's laws of electromagnetic induction and Lenz's law - derivation of expression for emf induced in a rod moving in a uniform magnetic field -explanation of self induction and mutual induction - mention of expression for energy stored in a coil -explanation of eddy currents- alternating currents - derivation of expression for sinusoidal emf - definition of phase and frequency of ac - mention of the expression for instantaneous, peak, rms, and average values -derivation of expression for current in case of ac applied to a circuit containing (i) pure resistor (ii) inductor (iii) capacitor - derivation of expression for impedance and current in LCR series circuit by phasor diagrm method - explanation of resonance - derivation of expression for resonant frequency - brief account of sharpness of resonance and Q-factor - mention of expression for power in ac circuits - power factor and wattless current - qualitative description of choke -basic ideas of magnetic hysteresis - construction and working of transformers - mention of sources of power loss in transformers - ac meters - principle and working of moving iron meter - qualitative explanation of transmission of electrical power - advantages of ac and dc - problems.
ATOMIC PHYSICS
Introduction to atomic physics: Mention of the types of electron emission - description and theory of Dunnington's method of finding e/m of an electron - explanation of types of spectra: emission and absorption spectra - brief account of Fraunhoffer lines - qualitative explanation of electromagnetic spectrum with emphasis on frequency.
Photo electric effect: Explanation of photo electric effect - experiment to study photo electric effect - experimental observations - Einstein's photo electric equation and its explanation - principle and uses of photo cells:(i) photo emissive (ii) photo voltaic (iii) photo conductive cells - problems.
Dual nature of matter: Concept of matter waves - arriving at the expression for de Brogile Wave length -principle and working of G.P.Thomson's experiment - principle of Electron Microscope - Scanning Electron Microscope Transmission Electron Microscope and Atomic -Force Microscope.
Bohr's Atom model: Bohr's atomic model for Hydrogen like atoms - Bohr's postulates - arriving at the expressions for radius, velocity, energy and wave number - explanation of spectral series of Hydrogen -energy level diagram - explanation of ionization and excitation energy - limitations of Bohr's theory -qualitative explanation of Sommerfeld & Vector atom models - problems.
Scattering of light: Explanation of coherent and incoherent scattering - blue of the sky and sea - red at sunrise and sunset - basic concepts and applications of Raman effect.
Lasers: Interaction between energy levels and electromagnetic radiation - laser action - population inversion - optical pumping - properties of lasers - construction and working of Ruby laser - mention of applications of lasers - brief account of photonics.
Nuclear Physics: Characteristics of nucleus - qualitative explanation of liquid drop model - qualitative explanation of nuclear magnetic resonance (NMR) and its applications in medical diagnostics as MRI -nuclear forces and their characteristics - explanation of Einsteins mass - energy relation - definition of amu and eV - arriving at 1amu = 931 Mev - examples to show the conversion of mass into energy and vice-versa - mass defect - binding energy - specific binding energy - BE curve - packing fraction. Nuclear fission with equations - nuclear chain reaction - critical mass - controlled and un-controlled chain reactions - types of nuclear reactors and mention of their principles - disposal of nuclear waste.Nuclear fusion - stellar energy (carbon & proton cycles) - problems.
Radioactivity: Laws of radioactivity (i) Soddy's group displacement laws (ii) decay law - derivation of N=NOe-µ - explanation of decay constant - derivation of expression for half life - mention of expression for mean life - relation between half and mean life - units of activity: Bequerrel and Curie - Artificial transmutation: Artificial radioactivity -radio isotopes and mention of their uses - brief account of biological effects of radiations and safety measures - problems.
Elementary particles: Basic concepts of leptons and hadrons - qualitative explanation of฿-decay - neutrino hypothesis and Quarks.
Solid state electronics: Qualitative explanation of Bond theory of solids - classification of conductors, insulators and semiconductors - intrinsic and extrinsic semiconductors - p-type and n-type semiconductors -construction and action of pn-junction - forward and reverse biasing - half wave and full wave rectification -function and application of light emitting diodes - photo diode - laser diode - transistors - npn and pnp transistors - action of transistor -npn transistor as an amplifier in CE mode.
Digital Electronics: Logic gates -AND, OR, NOR & NAND symbols and truth table - applications of logic gates (Boolean equations) - half adder and full adder. Soft condensed matter physics: Liquid crystals - classification, thermotropic ( nematic, cholesteric and smectic) and lyotropic liquid crystals - mention of applications of liquid crystals - basic concepts of emulsions, gels & foams.
### PHYSICS - PART II
### GEOMETRICAL OPTICS
Refraction at a plane surface: Refraction through a parallel sided glass slab - derivation of expressions for lateral shifts and normal shift (object in a denser medium) - total internal reflection and its applications -optical fibers and its application in communication - problems.
Refraction through a prism: Derivation of expression for the refractive index in terms of A and D - dispersion through a prism - experimental arrangement for pure spectrum - deviation produced by a thin prism - dispersive power - mention of condition for dispersion without deviation - problems.
Refraction at a spherical surface: Derivation of the relation connecting n, u, v and r for refraction at a spherical surface (concave towards a point object in a denser medium) - derivation of lens maker's formula - power of lens - magnification - derivation of expression for the equivalent focal length of combination of two thin lenses in contact - mention of expression for equivalent focal length of two thin lenses separated by a distance - problems.
### PHYSICAL OPTICS
Introduction to Theories of Light: A brief explanation of Newton's corpuscular theory, Huygens' wave theory and Maxwell's electromagnetic theory - mention of expression for speed of light C = 1/vµoeo, qualitative explanation of Hertz's experiment-brief explanation of Planck's quantum theory of radiation- dual nature of light.
Interference: Explanation of the phenomenon theory of interference - derivation of conditions for constructive and destructive interference - Young's double slit experiment, derivation of expression for fringe width - qualitative explanation of interference at thin films and Newton's rings - problems.
Diffraction: Explanation of the phenomenon - distinction between Fresnel and Fraunhoffer diffraction - qualitative explanation of diffraction at single slit and analysis of diffraction pattern (Fraunhoffer type) - qualitative explanation of plane diffraction grating at normal incidence - limit ofresolution - resolving power- Rayleigh's criterion - definition and mention of expression for resolving powers of microscope and telescope - problems.
Polarisation : Explanation of the phenomenon - representation of polarized and unpolarised light - explanation of plane of polarisation and plane of vibration - methods of producing plane polarised light: by reflection - Brewster's law, refraction, double refraction, selective absorption - construction and application of polaroids - optical activity - specific rotatory power - construction and working of Laurent's half shade polarimeter - mention of circularly polarised light - problems.
Speed of light: Michelson's rotating mirror experiments to determine speed of light - importance of speed of light.
ELECTROSTATICS
Electric charges: Concept of charge - Coulomb's law, absolute and permitivity - SI unit of charge.
Electrostatic Field: Concept of electric field - definition of field strength - derivation of expression for the field due to an isolated charge, concept ofdipole - mention of expression for the field due to a dipole -definition of dipole moment - mention of expression for torque on a dipole - explanation of polarisation of a dielectric medium - dielectric strength - concept of lines of force and their characteristics - explanation of electric flux - statement and explanation of Gauss theorem and its applications to derive expressions for electric intensity (a) near the surface of a charged conductor (b) near a spherical conductor - concept of electric potential - derivation of the relation between electric field and potential - derivation of expression for potential due to an isolated charge - explanation of potential energy of a system of charges - problems.
CURRENT ELECTRICITY
Electric current: Microscopic view of current through conductors (random motion of electrons) - explanation of drift velocity and mobility - derivation of expression for current I=neA?d - deduction of Ohm's law - origin of resistance - definition of resistivity - temperature coefficient of resistance- concept of super conductivity - explanation of critical temperature, critical field and high temperature superconductors - mention of uses of superconductors - thermistors and mention of their uses- colour code for resistors - derivation of expression for effective resistance of resistances in series and parallel -derivation of expression for branch currents - definition of emf and internal resistance of a cell - Ohm's law applied to a circuit - problems.
Kirchoff's laws: Statement and explanation of Kirchoff's laws for electrical network - explanation of Wheastone's network - derivation of the condition for its balance by applying Kirchoff's laws - principle of metre bridge - problems.
Magnetic effect of electric current: Magnetic field produced by electric current - statement and explanation of Biot -Savart's (Laplace's ) law -derivation of expression for magnetic field at any point on the axis of a circular coil carrying current and hence expression for magnetic field at the centre - current in a circular coil as a magnetic dipole - explanation of magnetic moment of the current loop - mention of expression for the magnetic field due to (i) a straight current carrying conductor(ii) at a point on the axis of a solenoid - basic concepts of terrestrial magnetism - statement and explanation of Tangent law -construction and theory of tangent galvanometer - problems.
Mechanical effect of electric current: Mention of expression for force on a charge moving in magnetic field - mention of expression for force on a conductor carrying current kept in a magnetic field - statement of Fleming's left hand rule - explanation of magnetic field strength in terms of flux density - derivation of expression for the force between two parallel conductors carrying currents and hence definition of ampere -mention of expression for torque on a current loop kept in an uniform magnetic field - construction and theory of moving coil galvanometer - conversion of a pointer galvanometer into an ammeter and voltmeter - problems.
Electromagnetic Induction: Statement and explanation of Faraday's laws of electromagnetic induction and Lenz's law - derivation of expression for emf induced in a rod moving in a uniform magnetic field - explanation of self induction and mutual induction - mention of expression for energy stored in a coil -explanation of eddy currents - alternating currents - derivation of expression for sinusoidal emf - definition of phase and frequency of ac - mention of the expression for instantaneous, peak, rms and average values -derivation of expression for current in case of ac applied to a circuit containing (i) pure resistor (ii) inductor (iii) capacitor - derivation of expression for impedance and current in LCR series circuit by phasor diagram method - explanation of resonance - derivation of expression for resonant frequency - brief account of sharpness of resonanceand Q-factor - mention of expression for power in ac circuits - power factor and wattless current - quantitative description of choke - basic ideas of magnetic hysteresis - construction and working of transformers - mention of sources of power loss in transformers - ac meters - principle and working of moving iron meter - qualitative explanation of transmission of electrical power - advantages of ac and dc - problems.
ATOMIC PHYSICS
Introduction to atomic physics: Mention of the types of electron emission - description and theory of Dunnington's method of finding e/m of an electron - explanation of types of spectra; emission and absorption spectra - brief account of Faunhoffer lines - qualitative explanation of electromagnetic spectrum with emphasis on frequency.
Photo electric Effect: Explanation of photo electric effect - experiment to study photo electric effect - experimental observations - Einstein's photo electric equation and its explanation - principle and uses of photo cells: (i) photo emissive (ii) photo voltaic (iii) photo conductive cells - problems.
Dual nature of matter: Concept of matter waves - arriving at the expression for de Brogile Wave length -principle and working of GP Thomson's experiment - principle of Electron Microscope, Scanning Electron Microscope, Transmission Electron Microscope and Atomic Force Microscope.
Bohr's Atom model: Bohr's atomic model for Hydrogen like atoms - Bohr's postulates - arriving at the expressions for radius, velocity, energy and wave number - explanation of spectral series of Hydrogen - energy level diagram - explanation of ionization and excitation energy - limitations of Bohr's theory - qualitative explanation of Sommerfeld & Vector atom models - problems.
Scattering of Light: Explanation of coherent and incoherent scattering off the sky and sea - red at sunrise and sunset - basic concepts and applications of Raman effect.
Lasers: Interaction between energy levels and electromagnetic radiation - laser action -population inversion - optical pumping - properties of lasers - construction and working of Ruby laser - mention of applications of lasers - brief account of photonics.
Nuclear Physics: Characteristics of nucleus -quantitative explanation of liquid drop model - qualitative explanation of nuclear magnetic resonance (NMR) and its applications in medical diagnostics as MRI- nuclear forces and their characteristics- explanation of Einsteins mass - energy relation - definition of amu and eV - arriving at 1 amu = 931 MeV - examples to show the conversion of mass into energy and vice-versa - mass defect - binding energy - specific binding energy - BE curve - packing function. Nuclear fission with equations - nuclear chain reaction - critical mass - controlled and un-controlled chain reactions - types of nuclear reactors and mention of their principles - disposal of nuclear waste. Nuclear fusion - stellar energy (carbon & proton cycles) - problems
Radioactivity: Laws of radioactivity - (i) Soddy's group displacement laws - (ii) decay law - derivation of N=No.e-µ - explanation of decay constant - derivation of expression for half life - mention of expression for mean life - relation between half and mean life - units of activity; Bequerrel and Curie - Artificial transmutation: Artificial radioactivity - radio isotopes and mention of their uses - brief account of biological effects of radiations and safety measures -problems.
Elementary Particles: Basic concepts of leptons and hadrons - qualitative explanation of฿-decay - neutrino hypothesis and Quarks.
Solid state electronics: Qualitative explanation of Band theory of solids - classification of conductors, insulators and semiconductors - intrinsic and extrinsic semiconductors - p-type and n-typesemiconductors- construction and action of pn-junction - forward and reverse biasing - half wave and full wave rectification - function and application of light emitting diodes - photo diode - laser diode- transistors - npn and pnp transistors - action of transistors - npn transistors as an amplifier in CE mode.
Digital electronics: Logic gates - AND, OR, NOR & NAND symbols and truth table - applications of logic gates (Boolean equations) - half adder and full adder.
Soft condensed matter physics: Liquid crystals - classification, thermotropic (nematic, cholesteric and smectic) and lyotropic liquid crystals - mention of applications of liquid crystals - basic concepts of emulsions, gels & foams
### CHEMISTRY:
STOICHIOMETRY Equivalent mass of elements - definition, principles involved in the determination of equivalent masses of elements by hydrogen displacement method, oxide method, chloride method and inter conversion method (experimental determination not needed). Numerical problems. Equivalent masses of acids, bases and salts Atomic mass, Moleqular mass, vapour density-definitions. Relationship between molecular mass and vapour density. Concept of STP conditions. Gram molar volume. Experimental determination of molecular mass of a volatile substance by Victor Meyer's method. Numerical problems. Mole concept and Avogadro number, numerical problems involving calculation of: Number of moles when the mass of substance is given, the mass of a substance when number of moles are given and number of particles from the mass of the substance. Numerical problems involving mass-mass, mass-volume relationship in chemical reactions. Expression of concentration of solutions-ppm, normality, molarity and mole fraction. Principles of volumetric analysis- standard solution, titrations and indicators-acid-base (phenolphthalein and methyl orange) and redox (Diphenylamine). Numerical problems.
ATOMIC STRUCTURE Introduction- constituents of atoms, their charge and mass. Atomic number and atomic mass. Wave nature of light, Electromagnetic spectrum-emission spectrum of hydrogen-Lyman series, Balmer series, Paschen series, Brackett series and Pfund series. Rydberg's equation. Numerical problems involving calculation of wavelength and wave numbers of lines in the hydrogen spectrum. Atomic model- Bhor's theory, (derivation of equation for energy and radius not required). Explanation of origin of lines in hydrogen spectrum. Limitations of Bhor's theory. Dual nature of electron- distinction between a particle and a wave. de Broglie's theory. Matter-wave equation (to be derived). Heisenberg's uncertainty principle (Qualitative). Quantum numbers - n, l, m and s and their significance and inter relationship. Concept of orbital- shapes of s, p and d orbitals. Pauli's exclusion principle and aufbau principle. Energy level diagram and (n+1) rule. Electronic configuration of elements with atomic numbers from 1 to 54. Hund's rule of maximum multiplicity. General electronic configurations of s, p and d block elements.
PERIODIC PROPERTIES Periodic table with 18 groups to be used. Atomic radii (Van der Waal and covalent) and ionic radii: Comparison of size of cation and anion with the parent atom, size of isoelectronic ions. Ionization energy, electron affinity, electronegativity- Definition with illustrations. Variation patterns in atomic radius, ionization energy, electron affinity, electronegativity down the group and along the period and their interpretation.
OXIDATION NUMBER : Oxidation and reduction-Electronic interpretation. Oxidation number: definition, rules for computing oxidation number. Calculation of the oxidation number of an atom in a compound/ion. Balancing redox equations using oxidation number method, calculation of equivalent masses of oxidising and reducing agents
GASEOUS STATE GAS LAWS: Boyle's Law, Charle's Law, Avogadro's hypothesis, Dalton's law of partial pressures, Graham's law of diffusion and Gay Lussac's law of combining volumes. Combined gas equation. Kinetic molecular theory of gases- postulates, root mean square velocity, derivation of an equation for the pressure exerted by a gas. Expressions for r.m.s velocity and kinetic energy from the kinetic gas equation. Numerical problems. Ideal and real gases, Ideal gas equation, value of R (SI units). Deviation of real gases from the ideal behaviour. PV-P curves. Causes for the deviation of real gases from ideal behavior. Derivation of Van der Waal's equation and interpretation of PV-P curves
CHEMICAL KINETICS Introduction. Commercial importance of rate studies. Order of a reaction. Factors deciding the order of a reaction- relative concentrations of the reactants and mechanism of the reaction. Derivation of equation for the rate constant of a first order reaction. Unit for the rate constant of a first order reaction. Half-life period. Relation between half- life period and order of a reaction. Numerical problems. Determination of the order of a reaction by the graphical and the Ostwald's isolation method. Zero order, fractional order and pseudo first order reactions with illustrations. Effect of temperature on the rate of a reaction-temprature coefficient of a reaction. Arrhenius interpretation of the energy of activation and temperature dependence of the rate of reaction. Arrhenius equation. Influence of catalyst on energy profile. Numerical problems on energy of activation.
ORGANIC COMPOUNDS WITH OXYGEN-2, AMINES Phenols : Uses of phenol.
Classification: Mono, di and tri-hydric Phenols Isolation from coal tar and manufacture by Cumene process.
Methods of preparation of phenol from - Sodium benzene sulphonate,Diazonium salts Chemical properties:Acidity of Phenols-explanation using resonance-Effect of substituents on Acidity(methyl group and nitro group as substituents), Ring substitution reactions-Bromination, Nitration, Friedel-craft's methylation, Kolbe's reaction, Reimer-Tiemann reaction.
Aldehydes and Ketones: Uses of methanal,benzaldehyde and acetophenone Nomenclature General methods of preparation of aliphatic and aromatic aldehydes and ketones from Alcohols and Calcium salts of carboxylic acids Common Properties of aldehydes and ketones
a)Addition reactions with - Hydrogen cyanide, sodium bisulphate
b)Condensation reactions with-Hydroxylamine, Hydrazine, Phenyl hydrazine, Semicarbazide
c) Oxidation. Special reactions of aldehydes:Cannizzaro's reaction-mechanism to be discussed, Aldol condensation, Perkin's reaction, Reducing properties-with Tollen's and Fehling's reagents. Special reaction of ketones-Clemmensen's reduction
Monocarboxylic Acids: Uses of methanoic acid and ethanoic acid. Nomenclature and general methods of preparation of aliphatic acids From Alcohols, Cyanoalkanes and Grignard reagent
General properties of aliphatic acids: Reactions with - Sodium bicarbonate, alcohols, Ammonia, Phosphorus pentachloride and soda lime Strength of acids-explanation using resonance. Effect of substituents (alkyl group and halogen as substituents)
Amines: Uses of Aniline Nomenclature Classification-Primary, Secondary, Tertiary-aliphatic and aromatic. General methods of preparation of primary amines from - Nitro hydrocarbons, Nitriles(cyano hydrocarbons), Amides(Hoffmann's degradation), General Properties - Alkylation,Nitrous acid, Carbyl amine reaction, Acylation Tests to distinguish between-Primary, secondary, Tertiary amines-Methylation method, Interpretaion of Relative Basicity of-Methylamine, Ammonia and Aniline using inductive effect
HYDROCARBONS-2 : Stability of Cycloalkanes-Baeyer's Strain theory-interpretation of the properties of Cycloalkanes, strain less ring. Elucidation of the structure of Benzene - Valence Bond Theory and Molecular Orbital Theory. Mechanism of electrophilic substitution reactions of Benzene-halogenations, nitration, sulphonation and Friedel Craft's reaction.
HALOALKANES
Monohalogen derivaties: Nomenclature and General methods of preparation from-Alcohols and alkenes. General properties of monohalogen derivatives: Reduction, with alcoholic KOH, Nucleophilic substitution reactions with alcoholic NH3, KCN, AgCN and aqueous KOH, with Magnesium, Wurtz reaction, Wurtz-Fittig's reaction, Friedal-Craft's reaction Mechanism of Nucleophilic Substitution reactions- SN1 mechanism of Hydrolysis of teritiary butyl bromide and SN2 mechanism of Hydrolysis of methyl bromide.
COORDINATION COMPOUNDS : Co-ordination compound: Definition, complex ion, ligands, types of ligands-mono, bi, tri and polydentate ligands. Co-ordination number, isomerism (ionization linkage, hydrate), Werner's theory, Sidgwick's theory, and E A N rule, Nomenclature of coordination, compounds. Valance Bond Theory: sp3, dsp2 and d2sp3 hybridisation taking [Ni(Co)4], [Cu(NH3)4]SO4, K4[Fe(CN)6] respectively as examples
CHEMICAL BONDING 2 Covalent bonding-molecular orbital theory :linear combination of atomic orbitals (Qualitative approach), energy level diagram, rules for filling molecular orbitals, bonding and anti bonding orbitals, bond order, electronic configuration of H2, Li2 and O2 Non existence of He2 and paramagnetism of O2. Metallic bond: Electron gas theory (Electron Sea model), definition of metallic bond, correlation of metallic properties with nature of metallic bond using electron gas theory.
CHEMICAL THERMODYNAMICS-2 Spontaneous and nonSpontaneous process. Criteria for spontaneity-tendency to attain a state of minimum energy and maximum randomness. Entropy-Entropy as a measure of randomness, change in entropy, unit of entropy. Entropy and spontaneity. Second law of thermodynamics. Gibbs' free as a driving force of a reaction Gibbs' equation. Prediction of feasibility of a process in terms of G using Gibbs' equation. Standard free energy change and its relation to Kp(equation to be assumed). Numerical problems.
SOLID STATE Crystalline and amorphous solids, differences. Types of crystalline solids - covalent, ionic, molecular and metallic solids with suitable examples. Space lattice, lattice points, unit cell and Co- ordination number. Types of cubic lattice-simple cubic, body centered cubic, face centered cubic and their coordination numbers. Calculation of number of particles in cubic unit cells. Ionic crystals-ionic radius, radius ratio and its relation to co- ordination number and shape. Structures of NaCl and CsCl crystals.
ELECTRO-CHEMISTRY
Electrolytes and non electrolytes. Electrolysis-Faraday's laws of electrolysis. Numerical problems. Arrhenius theory of electrolytic dissociation, Merits and limitations. Specific conductivities and molar conductivity-definitions and units. Strong and weak electrolytes-examples. Factors affecting conductivity.
Acids and Bases: Arrhenius'concept, limitations. Bronsted and Lowry's concept, merits and limitations. Lewis concept, Strengths of Acids and Bases - dissociation constants of weak acids and weak bases. Ostwald's dilution law for a weak electrolytes-(equation to be derived) - expression for hydrogen ion concentration of weak acid and hydroxyl ion concentration of weak base -numerical problems. Ionic product of water. pH concept and pH scale.pKa and pkb values-numerical problems. Buffers, Buffer action, mechanism of buffer action in case of acetate buffer and ammonia buffer. Henderson's equation for pH of a buffer(to be derived). Principle involved in the preparation of buffer of required pH-numerical problems. Ionic equilibrium: common ion effect, solubility product, expression for Ksp of sparingly soluble salts of types AB, A2B and AB2. Relationship between solubility and solubility product of salts of types AB, A2B and AB2. Applications of common ion effect and solubility product in inorganic qualitative analysis. Numerical problems. Electrode potential: Definition, factors affecting single electrode potential. Standard electrode potential. Nernst's equation for calculating single electrode potential (to be assumed). Construction of electro-chemical cells- illustration using Daniel cell. Cell free energy change [Go=-nFEo (to be assumed)].
Reference electrode: Standard Hydrogen Electrode-construction, use of SHE for determination of SRP of other single electrodes. Limitations of SHE. Electrochemical series and its applications. Corrosion as an electrochemical phenomenon, methods of prevention of corrosion
ORGANIC CHEMISTRY Inductive effect, Mesomeric effect and Electromeric effect with illustrations, Conversion of methane to ethane and vice versa and Methanol to ethanol and vice versa
ISOMERISM-2
Stereo isomerism: geometrical and optical isomerism Geometrical isomerism-Illustration using 2-butene, maleic acid and fumaric acid as example, Optical Isomerism- Chirality, optical activity-Dextro and Laevo rotation(D and L notations)
CARBOHYDRATES Biological importance of carbohydrates, Classification into mono, oligo and poly saccharides. Elucidation of the open chain structure of Glucose. Haworth's structures of Glucose, Fructose, Maltose and Sucrose(elucidation not required).
OILS AND FATS Biological importance of oils and fats, Fatty acids-saturated, unsaturated, formation of triglycerides. Generic formula of triglycerides. Chemical nature of oils and fats-saponification, acid hydrolysis, rancidity refining of oils, hydrogenation of oils, drying oils, iodine value.
AMINO ACIDS AND PROTEINS Biological importance of proteins,a-Aminoacids - General formula Formulae and unique feature of glycine, alanine, serine, cysteine, aspartic acid, lysine, tyrosine and proline. Zwitter ion, amphiprotic nature, isoelectric point, peptide bond, polypeptides and proteins. Denaturation of proteins Structural features of Insulin - a natural polypeptide
METALLURGY 2 Physico-chemical concepts involved in the following metallurgical operations - Desilverisation of lead by Parke's process-Distribution law. Reduction of metal oxides - Ellingham diagrams - Relative tendency to undergo oxidation in case of elements Fe Ag, Hg, Al, C. Cr, and Mg.
Blast furnace - metallurgy of iron - Reactions involved and their role, Maintenance of the temperature gradient, Role of each ingredient and Energetics
INDUSTRIALLY IMPORTANT COMPOUNDS: Manufacture of Caustic soda by Nelson's cell Method, Ammonia by Haber's process, Sulphuric acid by Contact process and Potassium dichromate from chromite. Uses of the above compounds. Chemical properties of Sulphuric acid: Action with metals, Dehydrating nature, Oxidation reactions and Reaction with PCI Chemical properties of potassium dichromate: With KOH, Oxidation reactions, formation of chromyl chloride
GROUP 18, NOBEL GASES Applications of noble gases. Isolation of rare gases from Ramsay and Raleigh's method and separation of individual gases from noble gas mixture (Dewar's charcoal adsorption method).Preparation of Pt XeF6 by Neil Bartlett.
d - BLOCK ELEMENTS (TRANSITION ELEMENTS ) Definition. 3d series: electronic configurations, size, variable oxidation states, colour, magnetic properties, catalytic behaviour, complex formation and their interpretations
THEORY OF DILUTE SOLUTIONS Vant Hoffs theory of dilute Solutions. colligative property. Examples of colligative properties-lowering of vapour pressure, elevation in boiling points, depression in freezing point and osmotic pressure. Lowering of vapour pressure-Raoult's law (mathematical form to be assumed). Ideal and non ideal solutions (elementary idea) - measurement of relative lowering of vapour pressure-ostwald and Walker's dymnamic method. Determination of molecular mass by lowering of vapour pressure). Numerical problems.
COLLOIDS Introduction . Colloidal system and particle size. Types of colloidal systems. Lyophilic and lyiphobic sols, examples and differences. Preparation of sols by Bredig's arc method and peptisation. Purification of sols-dialysis and electro dialysis. Properties of sols-Tyndall effect, Brownian movement electrophoresis, origin of charge, coagulation, Hardy and Schulze rule, Protective action of sols. Gold number. Gold number of gelatin and starch. Applications of colloids. Electrical precipitation of smoke, clarification of drinking water and formation of delta.
### Mathematics:
ALGEBRA PARTIAL FRACTIONS Rational functions, proper and improper fractions, reduction of improper fractions as a sum of a polynomial and a proper fraction. Rules of resolving a rational function into partial fractions in which denominator contains (i) Linear distinct factors, (ii) Linear repeated factors, (iii) Non repeated non factorizable quadratic factors [problems limited to evaluation of three constants]
LOGARITHMS (i) Definition Of logarithm (ii) Indices leading to logarithms and vice versa (iii) Laws with proofs: (a) logam+log a n = log a(mn) (b)loga m -loga n = loga (m/n) (c)loga mn = n loga m (d)logb m = logam/loga b (change of base rule) (iv) Common Logarithm: Characteristic and mantissa; use of logarithmic tables,problems theorem
MATHEMATICAL INDUCTION
- Recapitulation of the nthterms of an AP and a GP which are required to find the general term of the series
- Principle of mathematical Induction proofs of a.?n =n(n+1)/2 b.?n2=n(n+1)(2n+1)/6 c.?n3 = n2 (n+1)2/4 By mathematical induction Sample problems on mathematical induction
SUMMATION OF FINITE SERIES
(i)Summation of series using?n,?n2,?n3
(ii)Arithmetico-Geometric series
(iii)Method of differences (when differences of successive terms are in AP)
(iv) By partial fractions
THEORY OF EQUATIONS: FUNDAMENTAL THEOREM OF ALGEBRA: An nth degree equation has n roots(without proof) (ii) Solution of the equation x2 +1=0.Introducing square roots, cube roots and fourth roots of unity (iii) Cubic and biquadratic equations, relations between the roots and the co-efficients. Solutions of cubic and biquadratic equations given certain conditions (iv) Concept of synthetic division (without proof) and problems. Solution of equations by finding an integral root between -3 and +3 by inspection and then using synthetic division. Irrational and complex roots occur in conjugate pairs (without proof). Problems based on this result in solving cubic and biquadratic equations
BINOMIAL THEOREM
Permutation and Combinations: Recapitulation ofnPr andnCr and proofs of
(i)general formulae fornPr andnCr
(ii)nCr =nCn-r
(iii)nCr-1+ n Cr= n+1 Cr
(1)Statement and proof of the Binomial theorem for a positive integral index by induction. Problems to find the middle term(s), terms independent of x and term containing a definite power of x.
(2)Binomial co-efficient -Proofs of
(a) C0+C 1+C 2 +
..+ C n=2n
(b)C0 + C2 + C4 +
..= C1+ C3 + C5 +
2n-1
MATHEMATICAL LOGIC Proposition and truth values, connectives, their truth tables, inverse, converse, contrapositive of a proposition, Tautology and contradiction, Logical Equivalence - standard theorems, Examples from switching circuits, Truth tables, problems.
GRAPH THEORY Recapitulation of polyhedra and networks (i) Definition of a graph and related terms like vertices, degree of a vertex, odd vertex, even vertex, edges, loop, multiple edges, u-v walk, trivial walk, closed walk, trail, path, closed path, cycle, even and odd cycles, cut vertex and bridges. (ii) Types of graphs: Finite graph, multiple graph, simple graph, (p,q) graph, null graph, complete graph, bipartite graph, complete graph, regular graph, complete graph, self complementary graph, subgraph, supergraph, connected graph, Eulerian graph and trees. (iii) The following theorems: p (1) In a graph with p vertices and q edges?deg?i=2q i=1 (2)In any graph the number of vertices of odd degree is even. (iv) Definition of connected graph, Eulerian graphs and trees -simple problems
ANALYTICAL GEOMETRY
- Co-ordinate system (i) Rectangular co-ordinate system in a plane (Cartesian) (ii) Distance formula, section formula and mid-point formula, centroild of a triangle, area of a triangle - derivations and problems. (iii) Locus of a point.Problems.
- Straight line
(i)Straight line:Slope m = (tan?) of a line, where? is the angle made by the line with the positive x-axis, slope
of the line joining any two points, general equation of a line -derivation and problems.
(ii)Conditions for two lines to be (i) parallel, (ii) perpendicular. Problems.
(iii)Different forms of the equation of a straight line: ( a) slope -point form (b) slope intercept form (c) two points form(d) intercept form and (e) normal form -derivation; Problems. (iv) Angle between two lines point of intersection of two lines condition for concurrency of three lines. Length of the perpendicular from the origin and from any point to a line.Equations of the internal and external bisectors of the angle between two lines- Derivations and Problems.
3.Pair of straight lines (i)Pair of lines, homogenous equations of second degree. General equation of second degree.Derivation of (1) condition for pair of lines (2) conditions for pair of parallel lines, perpendicular lines and distance between the pair of parallel lines.(3) Condition for pair of co-incidence lines and (4) Angle and point of intersection of a pair of lines.
LIMITS AND CONTINUTY (1)Limit of a function - definition and algebra of limits. (2)Standarad limits (with proofs) (i) Lim xn -an/x -a= nan-1 (n rational) x?a (ii) Lim sin? /? = 1 (? in radian) and Lim tan? /? = 1 (? in radian) ??0 ??0 (3)Statement of limits (without proofs): (i) Lim (1 + 1/n)n=e (ii) Lim (1 + x/n)n = ex n?8 n?8 (iii) Lim (1 + x)1/x = e (iv) Lim log(1+x)/x = 1 x?0 x?0 v) Lim (ex -1)/x= 1 vi) Lim (ax -1)/x = loge a x?0 x?0 Problems on limits (4)Evaluation of limits which tale the form Lim f(x)/g(x)[0/0 form]' Lim f(n)/g(n) x?0 x?8 [8/8 form] where degree of f(n)= degree of g(n). Problems. (5) Continuity: Definitions of left- hand and right-hand limits and continuity. Problems
TRIGONOMETRY Measurement of Angles and Trigonometric Functions Radian measure - definition, Proofs of: (i)radian is constant
(ii)p radians = 1800
(iii)s = r? where? is in radians
(iv)Area of the sector of a circle is given by A = ½ r2? where? is in radians.Problems
Trigonometric functions - definition, trigonometric ratios of an acute angle, Trigonometric identities (with proofs) - Problems.Trigonometric functions of standard angles. Problems.Heights and distances -angle of elevation, angle of depression, Problems. Trigonometric functions of allied angles, compound angles, multiple angles, submultiple angles and Transformation formulae (with proofs). Problems.Graphs of sinx, cosx and tanx.
Relations between sides and angles of a triangle Sine rule, Cosine rule, Tangent rule, Half-angle formulae, Area of a triangle, projection rule (with proofs). Problems. Solution of triangles given (i) three sides, (ii) two sides and the included angle, (iii) two angles and a side, (iv) two sides and the angle opposite to one of these sides. Problems.
MATHEMATICS II
ALGEBRA ELEMENTS OF NUMBER THEORY (i) Divisibility - Definition and properties of divisibility; statement of division algorithm. (ii) Greatest common divisor (GCD) of any two integers using Eucli's algorithm to find the GCD of any two integers.To express the GCD of two integers a and b as ax + by for integers x and y.Problems. (iii) Relatively prime numbers, prime numbers and composite numbers, the number of positive divisors of a number and sum of all positive division of a number -statements of the formulae without proofs. Problems. (iv) Proofs of the following properties:
(1)the smallest divisor (>1) of an integer (>1) is a prime number
(2)there are infinitely many primes
(3)if c and a are relatively prime and c |