Deleted portions Class 11 CBSE Physics for 2020-21

DELETED PORTION CBSE PHYSICS – (2020-21)

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Deleted Portions for Class XI Physics 2020-21


Deleted portion CLASS XI Physics

Topics

Chapter–1: Physical World deleted portion

Physics-scope and excitement; nature of physical laws; Physics, technology and society (To be discussed as a part of Introduction and integrated with other topics)

Chapter-3 : Motion in a straight line

Frame of reference, Motion in a straight line: Position-time graph, speed and velocity

Chapter-5 Laws of Motion

Intuitive concept of force, Inertia, Newton’s first law of motion; momentum and Newton’s second law of motion; impulse; Newton’s third law of motion

Chapter-7 System of Particles and Rotational Motion

Statement of parallel and perpendicular axes theorems and their applications.

Chapter-8 Gravitation

Kepler’s laws of planetary motion, Acceleration due to gravity

Chapter-9 Mechanical Properties of Solids

Elastic behaviour, shear modulus of rigidity, Poisson’s ratio; elastic energy.

Chapter-11 Thermal properties matter

Heat, temperature, Heat transfer-conduction, convection and radiation

Chapter-12 Thermodynamics

Heat engine and refrigerator.

Chapter-15 Waves

fundamental mode and harmonics, Doppler effect.

Practicals:

No investigatory project and Activity to be demonstrated 8 experiments ( clubbed based on skills ) in place of 12

Hope that this list will help the students to concentrate more on the portions included and avaoid the deleted portion while preparing for exams. You can get help online for your Physics doubts at AskPhysics. At Ask Physics you can post your genuine doubts and the questions will be answered in the website www.askphysics.com.

www.plustwophysics.com is also a good source to download study materials, previous question papers for free.

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