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CBSE Syllabus 2020-21: Check deleted chapters from 12th Physics subject

Check out deleted topics of CBSE 12th Physics Syllabus 2020-21 here:

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Check deleted topics of CBSE 12th Physics Syllabus 2020-21: The Central Board of Secondary Education, CBSE, has reduced up to 30% of the class 12th Physics Syllabus for the next academic year (2020-21). The decision is taken in view to reduce course load on students owing to the COVID-19 crisis

We have provided the details of the topics which have been deleted by the CBSE.

Deleted chapters/topics from CBSE 12th Physics Syllabus 2020-21:

Chapter-1 Electric charges and fields

– Uniformly charged thin spherical shell (field inside and outside).

Chapter-3 Current  Electricity

– Carbon resistors,  colour  code   for  carbon resistors

– Series  and  parallel  combinations  of resistors

Chapter-4 Moving Charges and Magnetism

– Cyclotron

Chapter-5 Magnetism and Matter

– Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis

– Torque  on a magnetic dipole (bar magnet) in a uniform magnetic field

– Para-, dia- and ferro – magnetic substances, with examples.

– Electromagnets and factors affecting their strengths,

– Permanent magnets.

Chapter-7 Alternating Current 

– Power  factor

– Wattless current

Chapter 8 Electromagnetic Waves

– Basic idea of displacement current

Chapter 9 Ray Optics and Optical Instruments

– Reflection of light,

– Spherical mirrors,(recapitulation)

– Mirror formula

– Scattering of light – blue colour of sky and reddish appearance of the sun at sunrise and sunset.

– Resolving power of microscope and astronomical telescope,

– Polarisation

– Plane polarised light

– Brewster’s law,

– Uses of plane polarised light and Polaroids

Chapter-11 Dual Nature  of radiation and matter

– Davisson-Germer experiment

Chapter 13 Nuclei

– Radioactivity, alpha, beta  and gamma particles/rays and their properties

– Radioactive decay law, half life and mean life

– Binding energy per nucleon and its variation with mass number

Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits

– Zener  diode and their characteristics,

– Zener diode as a voltage regulator

Practicals: No investigatory project and Activity to be demonstrated

8 experiments ( clubbed based on skills ) in place of 12.

Read: CBSE class 10th, 12th students to get digital marksheet via Digilocker, UMANG apps


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