Unit-1 : Physical World and Measurement
Chapter-1: Physical World
Physics-scope and excitement; nature of physical laws; Physics, technology and society.
Chapter-2: Units and Measurements
Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant gestures. Dimensions of physical quantities; dimensional analysis and its applications.
Unit – II : Kinematics
Chapter-3: Motion in a Straight Line
Frame of reference, Motion in a straight line: Position-time graph, speed and velocity. Elementary concepts of differentiation and integration for describing motion, uniform and non-uniform motion, average speed and instantaneous velocity, uniformly accelerated motion, velocity – time and position-time graphs. Relations for uniformly accelerated motion (graphical treatment).
Chapter-4: Motion in a Plane
Scalar and vector quantities; position and displacement vectors; general vectors and their notations; equality of vectors; multiplication of vectors by a real number; addition and subtraction of vectors; relative velocity; Unit vector; resolution of a vector in a plane, rectangular components, Scalar and Vector product of vectors. Motion in a plane, cases of uniform velocity and uniform acceleration- projectile motion, uniform circular motion.
Unit-III : Laws of Motion
Chapter-5: Laws of Motion
Intuitive concept of force; Inertia; Newton’s first law of motion; momentum and Newton’s second law of motion; impulse; Newton’s third law of motion.Law of conservation of linear momentum and its applications.Equilibrium of concurrent forces; Static and kinetic friction; laws of friction; rolling friction; lubrication.Dynamics of uniform circular motion; Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on a banked road).
Unit – IV : Work, Energy and Power
Chapter-6: Work, Energy and Power
Work done by a constant force and a variable force; kinetic energy; work-energy theorem; power.Notation of potential energy; potential energy of a spring; conservative forces: conservation of mechanical energy (kinetic and potential energies); non-conservative forces: motion in a vertical circle; elastic and inelastic collisions in one and two dimensions.
Unit V : Motion of System of Particles and Rigid Body
Chapter-7: System of Particles and Rotational Motion
Centre of mass of a two-particle system; momentum conservation and centre of mass motion. Centre of mass of a rigid body; centre of mass of a uniform rod.Moment of a force; torque; angular momentum; law of conservation of angular momentum and its applications.Equilibrium of rigid bodies; rigid body rotation and equations of rotational motion; comparison of linear and rotational motions.Moment of inertia; radius of gyration; values of moments of inertia for simple geometrical objects (no derivation). Statement of parallel and perpendicular axes theorems and their applications.
Unit-VI : Gravitation
Kepler’s laws of planetary motion, universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Gravitational potential energy and gravitational potential; escape velocity; orbital velocity of a satellite; Geo-stationary satellites.
Unit-VII : Properties of Bulk Matter
Chapter-9: Mechanical Properties of Solids
Elastic behaviour; Stress-strain relationship; Hooke’s law; Young’s modulus; bulk modulus; shear modulus of rigidity; Poisson’s ratio; elastic energy.
Chapter-10: Mechanical Properties of Fluids
Pressure due to a uid column; Pascal’s law and its applications (hydraulic lift and hydraulic brakes); effect of gravity on uid pressure. Viscosity; Stokes’ law; terminal velocity; streamline and turbulent ow; critical velocity; Bernoulli’s theorem and its applications. Surface energy and surface tension; angle of contact; excess of pressure across a curved surface; application of surface tension ideas to drops, bubbles and capillary rise.
Chapter-11: Thermal Properties of Matter
Heat; temperature; thermal expansion; thermal expansion of solids, liquids and gases; anomalous expansion of water; speci c heat capacity; Cp, Cv – calorimetry; change of state -latent heat capacity.
Heat transfer-conduction, convection and radiation; thermal conductivity; qualitative ideas of Blackbody radiation; Wein’s displacement Law; Stefan’s law; Green house effect.
Thermal equilibrium and de nition of temperature (zeroth law of thermodynamics); heat, work and internal energy. First law of thermodynamics; isothermal and adiabatic processes. Second law of thermodynamics: reversible and irreversible processes; Heat engine and refrigerator.
Unit-IX : Behaviour of Perfect Gases and Kinetic Theory of Gases
Chapter-13: Kinetic Theory
Equation of state of a perfect gas; work done in compressing a gas. Kinetic theory of gases – assumptions, concept of pressure. Kinetic interpretation of temperature; rms speed of gas molecules; degrees of freedom, law of equipartition of energy (statement only) and application to speci c heat capacities of gases; concept of mean free path, Avogadro’s number.
Unit – X : Oscillations and Waves
Periodic motion – time period, frequency, displacement as a function of time, periodic functions.Simple harmonic motion (S.H.M.) and its equation; phase; oscillations of a loaded spring-restoring force and force constant; energy in S.H.M. Kinetic and potential energies; simple pendulum derivation of expression for its time period. Free, forced and damped oscillations (qualitative ideas only), resonance.
Wave motion: Transverse and longitudinal waves, speed of wave motion, displacement relation for a progressive wave, principle of superposition of waves, re ection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect.