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PHYSICS, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , THEORY, COURSE STRUCTURE, CLASS - XI, One Paper Times : 3 Hours 70 Marks, Units Titles Marks, I. Phyical World and Measurement 03, IL. Kinematics 10, Il. Laws of motion 10, IV. Work, Energy and Power 06, Vv. Motion of systems of particles and Rigid body 06, VI. Gravitation 05, VII. Properties of Bulk Matter 10, VII. Thermodynamics 05, IX. Behaviour of Perfect Gas and Kinetic Theory of gases 05, X. Oscillations and Waves. 10, Total 70, Unit-I: © PHYSICAL WORLD AND MEASUREMENT, , Unit-I1:, , Forces in nature., , Need for measurement. Units of measurement; system of units; S.I. units,, fundamental and derived units, length, mass and time measurements; accuracy, and precision of measuring instruments; errors in measurements; significant, , figures,, , Dimension of physical quantities, dimensional analysis and its applications., , KINEMATICS, Elementary concepts of differentiation and integration for describing motion., Uniform and non uniform motion, average speed and instantaneous velocity., , Uniformly accelerated motion, velocity-time, position-time graphs, relations, for uniformly accelerated motion (graphical treatment).
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Unit-III;, , Unit-IV:, , Unit-V:, , Scalar and vector quantities; Position and displacement vectors, general vectors, and notation; equality of vectors, multiplication of vectors by areal number; addition, and subtraction of vectors. Relative velocity., , Unit vectors, Resolution ofa vector ina plane-rectangular components., , Scalar and Vector product of vectors. Motion ina plane. Cases of uniform, velocity and uniform acceleration - projectile motion. Uniform circular motion., , LAWS OF MOTION, , Law of conservation of linear momentum and its applications., , Equilibrium of concurrent forces; Static and Kinetic friction, law of friction,, rolling friction., , Dynamics of uniform circular motion : Centripetal force, examples of circular, motion (vehicle on level circular road, vehicle on banked road)., , WORK, ENERGYAND POWER, , Work done by a constant force and a variable force; Kinetic energy, Workenergy theorem, power., , Notion of potential energy, potential energy ofa spring, conservative forces:, conservation of mechanical energy (kinetic and potential energies):, non-conservative forces: motion ina vertical circle, elastic and inelastic collisions, in one and two dimensions., , MOTION OF SYSTEM OF PARTICLES AND RIGID BODY, , Centre of mass ofa two-particle system, momentum conservation and centre, of mass motion. Centre of mass ofa rigid body; centre of mass of uniform rod., , Moment ofa force, torque, angular momentum, conservation of angular, momentum with some examples., , 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, derivations).
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Unit-VI:, , Unit-VII:, , Unit-VIII:, , GRAVITATION, The Universal law of gravitation, Gravitational constant., , Gravitional potential energy; gravitational potential, Escape velocity. Orbital, velocity of satellite. Geo-stationary satellites., , PROPERTIES OF BULK MATTER, Stress-strain relationship, Hooke’s law, Young’s modulus, bulk modulus,, , Pressure due to a fluid column; Pascal’s law and its applications (hydraulic lift, and hydraulic brakes). Effect of gravity on fluid pressure., , Viscosity, Stokes’ law, terminal velocity, Reynold’s number, streamline and, turbulent flow. Critical velocity. Bemoulli’s theorem and its applications., , Surface energy and surface tension, angle of contact, excess of pressure,, application of surface tension, ideas to drops, bubbles and capillary rise., , Thermal expansion; thermal expansion of solid, liquids and gases, ideal gas, laws, isothermal and adiabatic processes; anomalous expansion and its effect,, specific heat capacity: Cp, Cv-Calorimetry; change of state-specific latent, heat capacity., , Blackbody radiation Kirchoff’s law, absorptive and emissive powers and green, house effect thermal conductivity, Newton’s law of cooling, Wein’s, displacement law, Stefan’s law., , THERMODYNAMICS, , Thermal equilibrium and definition of temperature (Zeroth law of, thermodynamics)., , Heat, work and internal energy. First law of thermodynamics., , Second law of thermodynamics-Reversible and irreversible processes.
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Unit-IX:, , Unit-X:, , 4, , BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY, Equation of state of perfect gas, work done on compressing a gas., , Kinetic theory of gases-assumptions, concept of pressure. Kinetic energy and, temperature, rms speed of gas molecules; degree of freedom, law of, equipartition of energy (statement only) and application to specific heat of, gases, concept of mean free path, Avogadro’s number., , OSCILLATIONS AND WAVES, , Periodic motion-Period, frequency, displacements a function of time. Periodic, functions., , Simple Harmonic motion (SHM) and its equation, phase; oscillations of a, spring-restoring froce and force constant, energy in SHM-kinetic and potential, energies, Simple pendulum-derivation of expressions for its time period; free,, forced and damped oscillations (qualitative ideas only) resonance., , Wave motion : Longitudinal and transverse waves; speed of wave motion., , Displacement relation for a progressive wave. Principle of superposition of, waves, reflection of waves, standing waves in strings and organ pipes. Beats., , +++4+444+, , 3, , (28 Periods)
