SYLLABUS FOR JEE-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;
Surface 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 powers; 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 wire, 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 gamma 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.