Physics for Class 11 (11+JEE/11+NEET)

Unit I: Physical World and Measurement. This unit introduces the need for measurement, the systems of units, the SI units, the fundamental and derived units, the accuracy and precision of measuring instruments, the errors in measurement, the significant figures, the dimensions of physical quantities, and the dimensional analysis and its applications.

 

Unit II: Kinematics. This unit deals with the motion of objects in one and two dimensions. It covers the concepts of frame of reference, displacement, velocity, acceleration, differentiation and integration for describing motion, uniform and non-uniform motion, uniformly accelerated motion, projectile motion, relative velocity, vectors and their operations, scalar and vector products, and circular motion.

 

Unit III: Laws of Motion. This unit explains the intuitive concept of force, the inertia, the Newton’s laws of motion, the impulse, the conservation of linear momentum and its applications, the equilibrium of concurrent forces, the friction and its types, the laws of friction, the rolling friction, the lubrication, the dynamics of uniform circular motion, and the centripetal force.

 

Unit IV: Work, Energy and Power. This unit explores the concepts of work, energy and power, the work done by a constant and a variable force, the kinetic energy, the work-energy theorem, the potential energy, the conservation of mechanical energy, the non-conservative forces, the motion in a vertical circle, the elastic and inelastic collisions in one and two dimensions.

 

Unit V: Motion of System of Particles and Rigid Body. This unit studies the system of particles and the rigid body, the centre of mass, the momentum conservation and the centre of mass motion, the moment of a force, the torque, the angular momentum, the conservation of angular momentum and its applications, the equilibrium of rigid bodies, the rigid body rotation and the equations of rotational motion, the comparison of linear and rotational motions, the moment of inertia, the radius of gyration, the parallel and perpendicular axes theorems and their applications.

 

Unit VI: Gravitation. This unit discusses the gravitation, the Kepler’s laws of planetary motion, the universal law of gravitation, the acceleration due to gravity and its variation with altitude and depth, the gravitational potential energy and the gravitational potential, the escape velocity, the orbital velocity of a satellite, and the geo-stationary satellites.

 

Unit VII: Properties of Bulk Matter. This unit describes the properties of bulk matter, such as the elasticity, the stress-strain relationship, the Hooke’s law, the Young’s modulus, the bulk modulus, the shear modulus of rigidity, the Poisson’s ratio, the elastic energy, the pressure, the Pascal’s law and its applications, the effect of gravity on fluid pressure, the viscosity, the Stokes’ law, the terminal velocity, the streamline and turbulent flow, the critical velocity, the Bernoulli’s theorem and its applications, the surface energy and the surface tension, the angle of contact, the excess of pressure across a curved surface, the application of surface tension ideas to drops, bubbles and capillary rise.

 

Unit VIII: Thermodynamics. This unit deals with the thermodynamics, the thermal equilibrium and the definition of temperature, the heat, the work and the internal energy, the first law of thermodynamics, the isothermal and adiabatic processes, the second law of thermodynamics, the reversible and irreversible processes, the heat engine and the refrigerator.

 

Unit IX: Behaviour of Perfect Gases and Kinetic Theory of Gases. This unit explains the behaviour of perfect gases and the kinetic theory of gases, the equation of state of a perfect gas, the work done in compressing a gas, the kinetic theory of gases, the assumptions, the concept of pressure, the kinetic interpretation of temperature, the rms speed of gas molecules, the degrees of freedom, the law of equipartition of energy and its applications, the concept of mean free path, and the Avogadro’s number.

 

Unit X: Oscillations and Waves. This unit covers the oscillations and waves, the periodic motion, the time period, the frequency, the displacement as a function of time, the periodic functions, the simple harmonic motion and its equation, the phase, the oscillations of a spring, the restoring force and the force constant, the energy in simple harmonic motion, the kinetic and potential energies, the simple pendulum, the derivation of expression for its time period, the free, forced and damped oscillations, the resonance, the wave motion, the transverse and longitudinal waves, the speed of wave motion, the displacement relation for a progressive wave, the principle of superposition of waves, the reflection of waves, the standing waves in strings and organ pipes, the fundamental mode and harmonics, the beats, and the Doppler effect.

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