# Physics deleted syllabus class 12

Physics deleted syllabus class 12 cbse 2020-21: There are many aspirants who are seeking for the deleted syllabus of class 12 physics and this article will solve all your problems by providing you the physics class 12 deleted syllabus pdf.

CBSE (Central Board Of Secondary Education) board has reduced the syllabus of class 12 and some chapters are removed from the syllabus.

## Physics deleted syllabus class 12 cbse 2020-21

Every year numerous students appear for class 12 examinations and for students it is very important to keep updated with the latest changes. For all the students who are looking for the physics class 12 deleted syllabus can easily check below the deleted syllabus and save for further use.

### Deleted syllabus of physics class 12

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

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