# IIT JEE 2012 Syllabus - PHYSICS

## IIT JEE Syllabus 2012: Physics

**General: **Units and
dimensions, dimensional analysis; least count, significant figures;
Methods of measurement and error analysis for physical quantities
pertaining to the following experiments: Experiments based on using
Vernier calipers and screw gauge (micrometer), Determination of g
using simple pendulum, Young’s modulus by Searle’s method, Specific
heat of a liquid using calorimeter, focal length of a concave mirror
and a convex lens using u-v method, Speed of sound using resonance
column, Verification of Ohm’s law using voltmeter and ammeter, and
specific resistance of the material of a wire using meter bridge and
post office box.

Mechanics: Kinematics in
one and two dimensions (Cartesian coordinates only), projectiles;
Uniform Circular motion; Relative velocity.

Newton’s laws of motion;
Inertial and uniformly accelerated frames of reference; Static and
dynamic friction; Kinetic and potential energy; Work and power;
Conservation of linear momentum and mechanical energy.

Systems of particles; Centre of mass and its motion; Impulse; Elastic and inelastic collisions.

Law of gravitation;
Gravitational potential and field; Acceleration due to gravity;
Motion of planets and satellites in circular orbits; Escape
velocity.

Rigid body, moment of
inertia, parallel and perpendicular axes theorems, moment of inertia
of uniform bodies with simple geometrical shapes; Angular momentum;
Torque; Conservation of angular momentum; Dynamics of rigid bodies
with fixed axis of rotation; Rolling without slipping of rings,
cylinders and spheres; Equilibrium of rigid bodies; Collision of
point masses with rigid bodies.

Linear and angular simple
harmonic motions.

Hooke’s law, Young’s
modulus.

Pressure in a fluid;
Pascal’s law; Buoyancy; Su rface energy and surface tension,
capillary rise; Viscosity (Poiseuille’s equation excluded), Stoke’s
law; Terminal velocity, Streamline flow, equation of continuity,
Bernoulli’s theorem and its applications.

Wave motion (plane waves
only), longitudinal and transverse waves, superposition of waves;
Progressive and stationary waves; Vibration of strings and air
columns;Resonance; Beats; Speed of sound in gases; Doppler effect
(in sound).

Thermal physics: Thermal
expansion of solids, liquids and gases; Calorimetry, latent heat;
Heat conduction in one dimension; Elementary concepts of convection
and radiation; Newton’s law of cooling; Ideal gas laws; Specific
heats (Cv and Cp for monoatomic and diatomic gases); Isothermal and
adiabatic processes, bulk modulus of gases; Equivalence of heat and
work; First law of thermodynamics and its applications (only for
ideal gases); Blackbody radiation: absorptive and emissive power s;
Kirchhoff’s law; Wien’s displacement law, Stefan’s law.

Electricity and
magnetism:Coulomb’s law; Electric field and potential; Electrical
potential energy of a system of point charges and of electrical
dipoles in a uniform electrostatic field; Electric field lines; Flux
of electric field; Gauss’s law and its application in simple cases,
such as, to find field due to infinitely long straight wire,
uniformly charged infinite plane sheet and uniformly charged thin
spherical shell.

Capacitance; Parallel
plate capacitor with and without dielectrics; Capacitors in series
and parallel; Energy stored in a capacitor.

Electric current; Ohm’s
law; Series and parallel arrangements of resistances and cells;
Kirchhoff’s laws and simple applications; Heating effect of current.

Biot–Savart’s law and
Ampere’s law; Magnetic field near a current-carrying straight w ire,
along the axis of a circular coil and inside a long straight
solenoid; Force on a moving charge and on a current-carrying wire in
a uniform magnetic field.

Magnetic moment of a
current loop; Effect of a uniform magnetic field on a current loop;
Moving coil galvanometer, voltmeter, ammeter and their conversions.

Electromagnetic
induction: Faraday’s law, Lenz’s law; Self and mutual inductance;
RC, LR and LC circuits with D.C. and A.C. sources.

Optics:Rectilinear
propagation of light; Reflection and refraction at plane and
spherical surfaces; Total internal reflection; Deviation and
dispersion of light by a prism; Thin lenses; Combinations of mirrors
and thin lenses; Magnification.

Wave nature of light:
Huygen’s principle, interference limited to Young’s double-slit
experiment.

Modern physics:Atomic
nucleus; Alpha, beta and g amma radiations; Law of radioactive
decay; Decay constant; Half-life and mean life; Binding energy and
its calculation; Fission and fusion processes; Energy calculation in
these processes.

Photoelectric effect; Bohr’s theory of hydrogen-like atoms; Characteristic and continuous X-rays, Moseley’s law; de Broglie wavelength of matter waves.