- Introduction
Introduction to Physics, SI units - dimensions - dimensional formulae - dimensional
analysis - limitations, Scalars and vectors - unit vector - vector addition - resolution
of a vector - scalar and vector products
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Dynamics
Motion of a particle in one dimension - derivations of equations of motion velocity - time
curve. - Problems, Newton's laws of motion, formula derivations - conservation of momentum
- illustrations - problems, Motion in two dimensions - equation for the trajectory of a
projectile - range, height and time of flight - uniform circular motion - centripetal
acceleration - centripetal and centrifugal forces with illustrations - problems, Work,
energy and power - work done - F.S. - expressions for potential and kinetic energy -
conservation of energy, Gravitation - Law of gravitation - variation of g with altitude,
depth and lattitude - motion of planets and satellites - statement of Kepler's laws,
orbital velocity - escape velocity - weightlessness - problems, Rotational motion of rigid
body - angular displacement, velocity, acceleration and momentum, torque - equations for
angular motion - moment of inertia - radius of gyration, comparison of linear and
rotational motions - problems, Elasticity - stress and strain - Hooke's law - moduli of
elasticity - expression for Young's modulus in the case of stretching, Simple harmonic
motion - characteristics - examples and equation for SHM
Statics
Coplanar concurrent forces - resultant of two forces - magnitude and direction equilibrium
of three forces - law of triangle of forces - Lami's theorem - problems, Moment of a force
- law of moment - application to find the resultant of two parallel forces - couple -
statement of conditions of equilibrium of parallel forces -
problems
Hydrostatics and Hydrodynamics
Hydrostatics - fluid thrust and pressure - atmospheric pressure (units) pressure at a
point due to a liquid - Archimedes' principle - problems, Hydrodynamics - streamline and
turbulent flow - Bernoulli's theorem - explanation with examples, Surface tension -
cohesion and adhesion - surface tension and angle of contact - capillary rise, Viscosity -
velocity gradient - co-efficient of viscosity - Poiseuille's formula for the flow of a
liquid through a capillary tube and Stoke's law
Heat
Heat and temperature - measurement of temperature - Mention of different thermometers -
effect of heat like expansion and change of state, Gas laws - absolute scale of
temperature - perfect gas equation - isothermal and adiabatic changes - mention of
equations of state - problems, Absorption of heat - specific heat - thermal capacity -
principle of calorimetry - latent heat - specific heat - specific heats of gases and their
relation - degrees of freedom - equipartition of energy - importance of g, Conduction of
heat - steady state - temperature gradient - thermal conductivity - problems, Radiation -
emissive and absorptive powers - Stefan's law - Prevost's theory of exchanges -
Kirchhoff's law - Wien's displacement law - Plank's law - solar constant - temperature of
the sun - problems, Thermodynamics - relation between heat and work - heat engine -
efficiency - reversible and irreversible process - Carnot's cycle - pV diagram -
efficiency of a Carnot engine -
problems
Geomaertical Optics
Introduction to light - optical medium - rectilinear propagation of light,
Reflection of light - laws of reflection - reflection at curved surfaces - image formation
in the case of spherical mirrors - mirror formula - sign convention - problems, Refraction
at a plane surface - laws of refraction - absolute and relative refractive indices -
refraction through multiple refracting media - lateral shift and normal shift - total
internal relection - conditions for total internal relection - relation between critical
angle and refractive index - applications of optical fibres and total reflecting prisms -
problems, Refraction through a prism - derivation of the expression for the refractive
index of the material of a prism in terms of A and D - dispersion through a prism -
deviation produced by a thin prism - dispersive power - prism combination for dispersion
without deviation - problems, Refraction at spherical surfaces - derivation of the
relation connecting n,u,v and r for refraction at a spherical surface - refraction through
a lens - lens maker's formula - power of a lens - Image formation in the case of thin
lenses, linear magnification - lenses in contact - problems, Spherical and chromatic
aberrations - qualitative discussion - achromatic combination of lenses, Optical
instruments - microscopes, telescopes, prism binoculars, direct vision spectroscope and
spectrometer, Photometry - basic concepts - units - principle of photmetry -
problems
Waves and Sound
Waves: formation of waves, types of waves, wave amplitude, frequency, wave length and
velocity - relation n =f l - equation for progressive wave, intensity, super position of
waves. Problems
Sound: Properties, velocity in gases, Newton - Laplace formula, factors affecting velocity
- intensity and loudness, units, Noise and Music beats as an example of superposition of
waves, Doppler effect, formula for general case, discussion for indivisual cases. Problems
Stationary waves: Modes of vibration in pipes, laws of vibration of streched
strings, sonometer, Problems.
Ultrasonics: Production, properties and applications
Acoustics of buildings: reverberation, sabine's formula, requisites for good acoustics and
methods of achieving them.
Physical Optics
Introduction to theories of light
Interference of light: Coherent sources, Young's double slit eperiment, expression for
path difference, conditions for constructive and destructive interference, width of
interference fringes. Problems
Diffraction of light: Fresnel and Fraunhofer diffraction, Fraunhofer diffraction through a
single slit, limit of resolution, Rayleigh's criterion, resolving powers of telescopes and
microscope. Problems
Polarisation of light: transverse nature of light waves, methods of producing plane
polarised light, Brewster's law, double refraction, dichroism, polariods and their
applications, optical activity and specific rotation. Problems.
Electrostatics
Electric charge: Coulomb's law, dielectric constant, SI sunit of charge, electric
intensity and potential, relation connecting them, derivation of expression for petential
at a point due to an isolated charge. Gauss theorem and applications, intensity at a point
(a) due to a charged spherical conductor near the surface of a charged conductor, Problems
Capacitors: parallel plate, spherical, cylindrical, expressions for the capacitances,
principle of a capacitor, effect of dielectric, energy stored in a capacitor, combination
of capacitors, uses, Problems
Current Electricity
Different effects of electric current: potential difference, resistance, colour code,
Ohm's law and its limitations, variation of resistance of a conductor with length- area of
cross section and temperature, resistivity, superconductivity, thermistor and its
applications, combination of resistors, emf of a cell, current in a circuit, branch
currents, grouping of cells, expression for different cases, potentiometer, problems
Kirchhoff's laws: Condition for balance of a wheatstone's net, metre bridge, Problems
Magetic efferct of current: direction of field, right hand clasp rule and mgnitude -
Laplace's law, force on a charged particle moving across a magnetic field, magnetic field
strength, flux density, magnetic flux density at a point on the axis of a circlular coil
carrying current, a solenoid carrying current, tangent law, tangent galvanometer, Problems
Force on a current carrying conductor in a magnetic field: Fleming's left hand rule, force
between two parallel conductors carrying current, definition of ampere, suspended coil
galvanoteter (with theory), conversion of galvanometer into ammeter and voltmeter,
Problems
Magnetic materials: Intensity of Magetising field (H), intensity of magnetisation (I) and
magnetic induction (B) - relation connecting them, permeability and susceptibility,
properties of dia, para and feromagnetic substances, hysteresis cycle and its
significance, retentivity and coercivity, uses of magnetic materials.
Electromagnetic induction: Laws, self and mutual induction, induction coil, principle and
working of a generator, expression for sinusoidal emf, peak, mean and rms values,
impedance, current in R, L & C and RLC circuits, power factor, choke and tranformer,
principles of a ac meters Problems.
Modern Physics
Introduction to modern physics: types of spectra, E. M. spectrum, types of electron
emission.
Quantum theory of radiation: Explanation and applications of photoelectric effect, atom
models, Bohr's theory of hydrogen atom, derivation of expressions for orbital radius,
orbital velocity, energy of electron and wave number, spectral series, energy level
diagram, Broglie matter waves, Problems.
Nuclear Physics: Nuclear size, charge, mass and density, constituents, amu in terms of
electron volts, magnetic moment and nuclear forces, mass defect and binding energy,
nuclear fission, chain reaction, critical size, nuclear reactor, nuclear fusion, stellar
enery, radiation hazards, Problems.
Radioactivity: Properties of radioactive radiations, decay law, decay constant,
Soddy's group displacement law, half life and mean life, expression for half life, radio
isotopes and their uses, Problems.
Solid state electronics: Band theory of solids, classification into conductors, insulators
and semi conductors, p-type and n-type semi conductors, characteristics of p-n junction,
rectifying action of diode, half wave and full wave rectifiers. Transistors, pnp and npn,
characteristics, relation between alph and beta transistors as an amplifier
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