Check deleted portion of CBSE 12th Physics Syllabus 2020-21. The board has reduced CBSE 12th Physics Syllabus 2020-21 by 30%. In this article, we have provided the details of the topics which have been deleted by the Central Board of Secondary Education. Links to access other important articles and the latest CBSE Syllabus are also available here.
CBSE Class 12 Physics Syllabus 2020-21 (Revised): Download PDF
Deleted Topics from CBSE 12th Physics Syllabus 2020-21:
Chapter-1 Electric charges and fields
- Uniformly charged thin spherical shell (field inside and outside).
Also Check: CBSE Class 12 Syllabus (Reduced) - All Subjects
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.
CBSE Class 12 Physics Syllabus 2020-21: Topics Added/Deleted By CBSE On 7th July 2020
CBSE Syllabus 2020-21 (Reduced): Class 9th, 10th, 11th, 12th - Download PDF!
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