Class 11 Physics

Class 11 is a crucial stage of students’ life because they receive exposure to various subject-centered streams to learn numerous new concepts. Moreover, Class 11 Physics becomes a different world full of experiments and numerical.  

CBSE

NCERT textbooks are study patterns by the CBSE board. These books consist of precise and sufficient syllabus required for the student to study. The same is for class 11 physics.

CBSE Class 11 Maths Syllabus 2020-21

Topics covered under class 11 physics

Chapter 1: Physics World

  • Physics-scope and excitement; 
  • nature of physical laws; 
  • Physics, technology, and society.

Chapter 2: Units & Measurements

  • Need for measurement
  • Units of measurement
  • Errors in measurement
  • Significant figures
  • Systems of units −
    • SI units
    • Fundamental and derived units
  • Length, mass and time measurements
  • Dimensions of physical quantities
  • Accuracy and precision of measuring instruments
  • Dimensional analysis and its applications

Chapter 3: Motion in a Straight Line

  • Frame of reference
  • Motion in a straight line
  • Uniformly accelerated motion
  • Velocity time
  • Speed and velocity
  • Position-time graph
  • Elementary concepts of differentiation and integration for describing motion
  • Average speed and instantaneous velocity
  • Position-time graphs
  • Relations for uniformly accelerated motion (graphical treatment)
  • Uniform and non-uniform motion

Chapter 4: Motion in a Plane 

  • Position and displacement vectors
  • equality of vectors, multiplication of vectors by a real number
  • addition and subtraction of vectors
  • Scalar and vector quantities
  • general vectors and their notations
  • Resolution of a vector in a plane – rectangular components
  • Scalar and Vector product of vectors
  • Motion in a plane
  • Relative velocity
  • Unit vector
  • Cases of uniform velocity and uniform acceleration-projectile motion
  • Uniform circular motion

Chapter 5: Laws of Motion

  • Newton’s first law of motion
  • Law of conservation of linear momentum and its applications
  • Dynamics of uniform circular motion:
    • Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on banked road)
  • momentum and Newton’s second law of motion
  • impulse; Newton’s third law of motion
  • Equilibrium of concurrent forces
  • Static and kinetic friction
  • Intuitive concept of force
  • Inertia
  • laws of friction
  • rolling friction
  • lubrication

Chapter 6: Work, Energy, and Power

  • Work done by a constant force and a variable force
  • Kinetic energy
  • Non-conservative forces
  • Motion in a vertical circle
  • Work-energy theorem
  • Power
  • Notion of potential energy
  • Potential energy of a spring
  • Conservation of mechanical energy (kinetic and potential energies)
  • Elastic and inelastic collisions in one and two dimensions
  • Conservative forces

Chapter 7: System of Particles and Rotational Motion

  • Centre of mass of a rigid body
  • Centre of mass of a uniform rod
  • laws of conservation of angular momentum and its applications
  • Centre of mass of a two-particle system
  • momentum conservation and centre of mass motion
  • Moment of a force
  • Torque
  • angular momentum
  • Equilibrium of rigid bodies
  • rigid body rotation and equations of rotational motion
  • comparison of linear and rotational motions
  • Values of moments of inertia, for simple geometrical objects (no derivation)
  • Statement of parallel and perpendicular axes theorems and their applications
  • Moment of inertia
  • radius of gyration

Chapter 8: Gravitation

  • Keplar’s laws of planetary motion
  • Escape velocity
  • Orbital velocity of a satellite
  • The universal law of gravitation
  • Geo-stationary satellites
  • Acceleration due to gravity and its variation with altitude and depth
  • Gravitational potential energy and gravitational potential

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