Physics (PHYS)
5 units: Gravitation, Properties of Bulk Matter, Thermodynamics, Kinetic Theory of Gases, Oscillation and Waves.
Detailed syllabus
Unit 1: Gravitation (9 hours, 5 marks)
Universal law of gravitation. Acceleration due to gravity and its variation with altitude, depth and rotation of the earth. Kepler's laws of planetary motion. Gravitational potential energy and potential. Escape velocity, orbital velocity of a satellite, geostationary satellite.
Unit 2: Properties of Bulk Matter (17 hours, 10 marks)
Mechanical properties of solids: elastic behaviour, stress-strain relationship, Hooke's law, Young's modulus, bulk modulus, modulus of rigidity, Poisson's ratio and their relation (no derivation), elastic energy. Mechanical properties of fluids: streamline and turbulent flow, critical velocity, viscosity, Newton's law of viscosity, Stokes' law, terminal velocity, Reynolds number, Bernoulli's theorem and applications, surface energy and surface tension, angle of contact, excess pressure, drops and bubbles, capillary rise and fall. Thermal properties of matter: heat, temperature, thermal expansion, anomalous expansion of water, specific heat capacity, calorimetry, change of state, latent heat; conduction, convection and radiation, black-body radiation, Kirchhoff's law, thermal conductivity, Newton's law of cooling, Wien's displacement law, Stefan's law.
Unit 3: Thermodynamics (9 hours, 5 marks)
Thermal equilibrium, zeroth law; heat, work and internal energy, first law of thermodynamics, Cp and Cv and their relation; isothermal and adiabatic processes, P-V diagram and work done; second law, reversible and irreversible processes; heat engine, efficiency of the Carnot engine, efficiency of a refrigerator (qualitative).
Unit 4: Kinetic Theory of Gases (8 hours, 5 marks)
Assumptions of kinetic theory, RMS speed, degrees of freedom; pressure, kinetic energy and temperature from kinetic theory; gas laws; law of equipartition of energy (statement) and specific heats of gases; mean free path, Avogadro's number.
Unit 5: Oscillation and Waves (17 hours, 10 marks)
Periodic motion, period, frequency, displacement as a function of time; simple harmonic motion and its equation, phase, spring oscillations, restoring force and force constant, combination of springs, energy in SHM; simple pendulum and loaded spring; free, damped and forced oscillations, resonance (qualitative). Waves: longitudinal and transverse waves, speed of a travelling wave, speed of sound (Newton's formula and Laplace's correction), progressive wave, superposition, stationary waves in strings and organ pipes, fundamental mode and harmonics, beats, Doppler effect of sound.
Source: official document