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# CBSE Class 11 Physics Sample, Prelim and Chapter-wise Question papers

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Previous Year CBSE Class 11 Physics School Question papers

CBSE Class 11 Physics Chapter-wise Question papers

CBSE Class 11 Physics Sample Papers

CBSE Class 11 Physics Course covers following units:

First unit covers two chapters – Physical World and Units and Measurements.

Physical world covers scope of Physics and excitement; nature of physical laws; relation/impact to technology and society

Units and Measurements covers units of measurement, systems, SI units, fundamental and derived units. Measurement of length, mass and time; accuracy and precision of the measuring instruments; significant figures. It also covers physical quantities dimension, dimensional analysis and its applications.

Second Unit covers two chapters – Motion in a Straight Line and Motion in a plane

Motion in a straight line covers frame of reference: speed, velocity and position-time graph. Basic concepts of differentiation and integration for describing motion, uniform and non- uniform motion, average speed and instantaneous velocity, uniformly accelerated motion, position-time and velocity - time graphs. Graphical treatment of relations for uniformly accelerated motion

Motion in a plane covers scalar and vector quantities; displacement and position vectors, general vectors and their notations; multiplication of vectors by a real number, equality of vectors; addition and subtraction of vectors, unit vector, relative velocity; resolution of a vector in a plane, rectangular components, scalar and vector product of vectors. It also covers motion in a plane, uniform velocity and uniform acceleration cases – projectile motion and uniform circular motion.

Third Unit Covers Laws of Motion

Laws of Motion covers Force, Inertial and Newton’s first law of motion; momentum and Newton’s second law of motion; Newton’s third law of motion; impulse. Law of conservation of linear momentum and it’s applications. Equilibrium of concurrent forces, static and kinetic friction, rolling friction, laws of friction and lubrication. Dynamics of uniform circular motion: Centripetal forces, examples of circular motion such as vehicle on a level circular field or vehicle on a banked road.

Fourth Unit Covers Work, Energy and Power

It covers work done by different forces such as constant and variable. Also covers Kinetic Energy, work-energy theorem and power. It also covers potential energy, potential energy of a spring, conservative forces: Conservation of mechanical energy i.e. kinetic and potential energies; non-conservative forces: motion in a vertical circle; inelastic and elastic collisions in one and two dimensions.

Fifth Unit

It covers centre of mass of a two-particle system, momentum conservation and centre of mass motion. Centre of mass of a rigid body and centre of mass of a uniform rod. Moment of a force and torque. Angular momentum, its law of conservation and applications. Rigid body rotation, Equilibrium of rigid bodies and equations of rotational motion. Comparison of linear and rotational motions. Moment of inertia and radius of gyration. Values of moments of inertia for simple geometrical objects (derivation not required). Parallel and perpendicular axes theorems and its applications.

Sixth Unit is Gravitation. It covers

Newtons universal law of gravitation, Kepler’s law of planetary motion. Acceleration due to gravity and its impact due to altitude and depth. Gravitational potential and its energy. Also covers escape velocity, orbital velocity of a satellite and geo-stationary satellites

Seventh unit deals with properties of Bulk matter and has three chapters

Mechanical Properties of Solids covers Elastic behaviour, Hooke’s law, Stress-strain relationship, Bulk modulus, Young’s modulus, shear modulus of rigidity, Poisson’s ration and elastic energy.

Mechanical property of fluids covers Pascals law and its applications such as hydraulic lift and brakes, Pressure due to a fluid column and effect of gravity on fluid pressure. Bernoulli's theorem and its applications, Stokes' law, Viscosity, terminal velocity, streamline and turbulent flow and critical velocity. Surface energy and surface tension, application of surface tension ideas to drops, bubbles and capillary rise, angle of contact and excess of pressure across a curved surface.

Thermal Properties of Matter covers heat, temperature, thermal expansion of solids, liquids and gases, anomalous expansion of water, Specific heat capacity, Cp, Cv – calorimetry and change of state - latent heat capacity. Wein's displacement Law, Stefan's law, Greenhouse effect, Heat Transfer-Conduction, Convection and Radiation , thermal conductivity, qualitative ideas of Blackbody radiation

Eighth unit covers thermodynamics. Definition of Temperature, heat, work and internal energy and Thermal Equilibrium. First law of thermodynamics, isothermal and adiabatic processes. Second law of thermodynamics such as reversible and irreversible processes, Heat engine and refrigerator.

Ninth unit covers equation of state of a perfect gas and work done in compressing a gas. It also covers Kinetic theory of gases – assumptions and concept of pressure. Kinetic interpretation of temperature and rms speed of gas molecules. Degrees of freedom, law of equi-partition of energy (statement only) and application to specific heat capacities of gases. Concept of mean free path and Avogadro's number

Tenth Unit consists of two chapters.

Oscillations: Periodic Motion covers time period, frequency, displacement as a function of time and periodic functions. It also covers Simple Harmonic Equation, equation, phase, kinetic and potential energies in SHM; simple pendulum derivation of expression for its time period. Free, forced and damped oscillations and Resonance.

Waves covers transverse and longitudinal waves, displacement relation for a progressive wave, speed of travelling wave, principle of superposition of waves, standing waves in strings and organ pipes, reflection of waves, Beats, fundamental mode and harmonics, Doppler effect.

For complete syllabus please refer to CBSE Class 11 Board Website

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CBSE Class 11 Question and Sample Papers

Prescribed Textbooks for CBSE Class 11 Physics Question paper are:

Textbook Physics Part-I for Class XI Published by NCERT

Textbook Physics Part-II for Class XI Published by NCERT

Laboratory Manual of Physics for Class XI Published by NCERT

Other Related books and manuals brought out by NCERT including multimedia