WBCHSE Class 11 Physics Syllabus

Physics is the most motivating subject, which is full of wonders. Learning it becomes easy once you understand the West Bengal Class 11 Physics Reduced Syllabus. This subject requires a lot of brain work, as it mainly deals with the study about the measurements, different laws of Newton’s, etc. The class 11 physics syllabus provided here helps students to prepare for their exam more effectively. The important topic for class 11 physics includes – Laws of Motion, Behaviour of perfect gas and kinetic theory of gases, thermodynamics, heat transfer, Physical world and the measurements and lots more. Referring to the WBCHSE Class 11 Physics Syllabus will give an idea about the topics covered in Class for the academic year. Students can plan their studies based on this syllabus.

We at BYJU’S provide the syllabus for WBCHSE Class 11 Physics along with the mark-wise weightage for every chapter, so that students can have a good idea about the pattern of the exam.

Download West Bengal Board Class 11 Physics Reduced Syllabus 2021-22

Unit wise Marks Weightage from 2021-22 Syllabus

Unit Name Marks
Unit – I Physical World & Measurement 03
Unit – II Kinematics 10
Unit – III Laws of motion 10
Unit- IV Work, energy & Power 04
Unit – V Motion of System of particles & Rigid Body 06
Unit- VI Gravitation 07
Unit- VII Properties of Bulk Matter 10
Unit- VIII Thermodynamics 04
Unit- IX Behaviour of perfect Gas & Kinetic theory of Gases 06
Unit- X Oscillations & waves 10
Total 70

Given below,  is the detailed syllabus of West Bengal Board Class 11 Physics. The syllabus was further reduced for the academic year 2021-22. Please find details of the deleted sections in the syllabus.

Unit – 1. Physical world & Measurement
Chapter 1: Physical World and Measurements.
Measurement of small lengths:- Vernier constant and least count.
Random errors:- Absolute error and proportional error. Significant figures.

Unit- II. Kinematics
Chapter-2: Motion in a Straight Line.
Reference frame.
Motion in a straight line:- Uniform accelerated motion, formula for uniformly acceleration motion, velocity- time and position- time graphs. Average speed and instantaneous velocity, elementary concepts of differentiation and integration for describing motion.
Chapter- 3: Motion in a Plane.
General vectors and notation, equality of vectors. addition and subtraction of vectors.
Unit vector, resolution of a vector in a plane- rectangular components. Position and displacement vectors in terms of unit vectors. Scalar and vector product of vectors.
Projectile motion and trajectory equation.
Uniform Circular motion:- Angular speed a1;d velocity, centripetal acceleration, centrifugal force and their direction.

Unit-III. Laws of motion
Chapter-4: Laws of Motion.
Force and Inertia, Newton’s first law of motion; momentum. Newton’s second law of motion; impulse . Newton’s third law of motion. Law of conservation of linear momentum and it’s applications.
Static and kinetic friction, laws of friction.
Dynamics of uniform circular motion:- Centripetal force, examples of circular motion (vehicle on level circular road, vehicle on banked road).

Unit-IV Work, Energy and Power 

Chapter-5: Work, Energy and Power.
Work done by a constant force and a variable force; kinetic energy, work-energy theorem, power.
Notion of potential energy, potential energy of a spring; conservative force: conservation of mechanical energy (kinetic and potential energies).
Motion in a vertical circle.
Elastic collision in one dimension.

Unit-V. Motion of System of particles & Rigid Body.
Chapter-6: System of Particles and Rotational Motion.
Position vector of Centre of mass , motion of centre of mass and momentum conservation .
Moment of force, torque, relation between torque and angular acceleration.
Moment of Inertia, radius of gyration, value of moments of inertia for simple geometrical objects (no derivation ). Equation in rotational motion. Comparison of linear and rotational motions,.
Angular momentum, relation between torque and angular momentum, conservation of angular momentum with some examples.

Unit-VI. Gravitation
Chapter-7:- Gravitation.
The universal law of gravitation. Acceleration due to gravity and it’s variation with attitude and depth.
Kepler’s laws of planetary motion.
Gravitational potential energy and gravitational potential, escape velocity. Orbital velocity of a satellite , Geo-stationary satellites.

Unit-VII. Properties of Bulk Matter.
Chapter 8;- Mechanical Properties of Solids.
Elastic behaviour, stress-strain relationship, Hooke’s law, Young’s modulus, bulk modulus, shear modulus of rigidity. Poison’s ratio; elastic energy.
Chapter -9: Mechanical Properties of Fluids.
Pascal’s law and it’s applications( hydraulic lift)
Viscosity, Stokes’ law, terminal velocity, Reynolds’s number, streamline and turbulent flow. Critical velocity, Bernoulli’s theorem and it’s applications.
Surface energy and Surface tension. angle of contact, capillary rise.
Chapter-IO: Thermal Properties of Matter.
Thermal expansion of solids ,liquids and gases ,anomalous extension of water.
Calotimetry:- principle.
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.

Unit- VIII Behaviour of perfect Gas & Kinetic Theory of Gases
Chapter-11: Kinetic Theory of gases.
Equation of state of a pe1fecl gas.
Assumptions; concept of pressure. Kinetic interpretation of temperature.
RMS speed of gas molecules; degrees of freedom, law of equipartition of energy(statement only); concept of mean free path.

Unit-IX. Thermodynamics.
Chapter-12: Thermodynamics.
Heat, work and internal energy. Work done in compressing a gas, First law of thermodynamics. Isothermal and adiabatic processes, two specific heats of gas and their relation. Second law of thermodynamics.

Unit X Oscillations and Waves 
Chapler-13: Oscillations.
Simple harmonic motion ( S.1-1.M) and it’s 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.
Chapter-14: Waves
Speed of wave motion:- Newton’s law, Laplace’s correction.
Displacement relation for a progressive waves, Principle of superposition of waves, reflection of waves . standing waves in string and organ pipes, fundamental mode and harmonics, beats. Doppler effect.

Meanwhile, find details of the reduced practical syllabus for previous year from this information below:

West Bengal Board Class 11 Physics Practical Reduced Syllabus 2020-21

SECTION A
Experiments

Evaluation Scheme: 

‘l) Two experiments one from each Section 8+8=16
2) Practical record (experiments) -04
3) Project with viva – 05
4)Viva on experiment-05

Total Marks=30 marks

Section A
1) To measure internal diameter, and depth of a given beaker using Vernier Callipers and hence find its volume.
2)To measure volume of an irregular lamina using screw gauge.
3)To determine radius of curvature of a given spherical surface by a spherometer
4) Using a simple pendulum plot L-T2 graphs. Hence, find the effective length of a seconds pendulum using graph.

Section -B
1) To find the force constant of a helical spring by plotting graph between load and Extension.
2)To determine the surface tension of water by capillary rise method.
3) To find the speed of sound in air at room temperature using a resonance tube by two resonance positions.
4) To study the variation in Volume with pressure for a sample of air at constant temperature by plotting graphs between P and V
0r
To study the relationship between the temperature of a hot body and time by plotting a cooling curve

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