CBSE  Syllabus For Class 12 Physics

CBSE Syllabus For Class 12 Physics 2020 (Revised) | Download New Syllabus PDF

CBSE  Syllabus For Class 12 Physics

Physics is an essential subject for CBSE 12th Science Stream. It is a very important subject for the various entrance exams for Engineering, Medical, or other higher education in the future. You should have depth concept in the Class 12 Physics to score better marks in various entrance exams like IIT JEE, NEET, etc. and also in the CBSE Class 12 Board exam.

HRD Minister Ramesh Nishank announced a major CBSE syllabus reduction with 30% of the syllabus slashed for the year 2020-21 on July 7 which was soon followed by an official notification by CBSE on the same.

Here you can Check Detailed CBSE Class 12 Physics Syllabus for Better Preparation

Revised CBSE Syllabus For Class 12 Physics 2020-21

Class 12 Physics is the Most Important Subject for the academic Exams 2020-21. You should know that a thorough concept of Class 11 and Class 12 Physics to score better marks in the various entrance exam. With a better concept on the latest syllabus, you can secure good marks.

You already know CBSE Class 12 syllabus will be updated almost every year to provide the students with the latest syllabus in real-time. Here you can check CBSE’s new syllabus for Class 12 Physics and NCERT Textbook based on the latest syllabus.

Revised CBSE Syllabus For Class 12 Physics and Marking Scheme

Unit

Chapter / Topic

Marks

I

Electrostatics


15 
 

Chapter-1: Electric Charges and Fields

Chapter-2: Electrostatic Potential and Capacitance

II

Current Electricity

Chapter-3: Current Electricity

III

Magnetic Effect of Current & Magnetism


16

Chapter-4: Moving Charges and Magnetism

Chapter-5: Magnetism and Matter

IV

Electromagnetic Induction & Alternating Current

Chapter-6: Electromagnetic Induction

Chapter-7: Alternating Current

V

Electromagnetic Waves


17

Chapter-8: Electromagnetic Waves

VI

Optics

Chapter-9: Ray Optics and Optical Instruments

Chapter-10: Wave Optics

VII

Dual Nature of Matter


10

Chapter-11: Dual Nature of Radiation and Matter

VIII

Atoms & Nuclei

Chapter-12: Atoms

Chapter-13: Nuclei

IX

Electronic Devices


12 

Chapter-14: Semiconductor Electronics

X

Communication Systems

Chapter-15: Communication Systems

Total

70

 

Download Revised CBSE Class 12 Physics Syllabus 2020-21 PDF

Download Old CBSE Class 12 Physics Syllabus 2020-21 PDF

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Revised Latest CBSE 12th Physics Syllabus

Unit I: Electrostatics

Chapter–1: Electric Charges and Fields

  • Electric Charges; Conservation of charge, Coulomb’s law-force between two-point charges, forces between multiple charges; superposition principle and continuous charge distribution.
  • Electric field, electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in uniform electric field.
  • Electric flux, statement of Gauss’s theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet

Chapter–2: Electrostatic Potential and Capacitance

  • Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges; equipotential surfaces, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field.
  • Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and electric polarisation, capacitors and capacitance, combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor.

Unit II: Current Electricity

Chapter–3: Current Electricity

  • Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm’s law, electrical resistance, V-I characteristics (linear and non-linear), electrical energy and power, electrical resistivity and conductivity; temperature dependence of resistance.
  • Internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and in parallel, Kirchhoff’s laws and simple applications, Wheatstone bridge, metre bridge(qualitative ideas only)
  • Potentiometer – principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell(qualitative ideas only)

Unit III: Magnetic Effects of Current and Magnetism

Chapter–4: Moving Charges and Magnetism

  • Concept of magnetic field, Oersted’s experiment.
  • Biot – Savart law and its application to current carrying circular loop.
  • Ampere’s law and its applications to infinitely long straight wire. Straight and toroidal solenoids (only qualitative treatment), force on a moving charge in uniform magnetic and electric fields
  • Force on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying conductors-definition of ampere, torque experienced by a current loop in uniform magnetic field; moving coil galvanometer-its current sensitivity and conversion to ammeter and voltmeter.

Chapter–5: Magnetism and Matter

  • Current loop as a magnetic dipole and its magnetic dipole moment, magnetic dipole moment of a revolving electron, bar magnet as an equivalent solenoid, magnetic field lines; earth’s magnetic field and magnetic elements.

Unit IV: Electromagnetic Induction and Alternating Currents

Chapter–6: Electromagnetic Induction

  • Electromagnetic induction; Faraday’s laws, induced EMF and current; Lenz’s Law, Eddy currents. Self and mutual induction.

Chapter–7: Alternating Current

  • Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits
  • AC generator and transformer.

Unit V: Electromagnetic waves

Chapter–8: Electromagnetic Waves

  • Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only).
  • Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays) including elementary facts about their uses.

Unit VI: Optics

Chapter–9: Ray Optics and Optical Instruments

  • Ray Optics: Refraction of light, total internal reflection and its applications, optical fibres, refraction at spherical surfaces, lenses, thin lens formula, lensmaker’s formula, magnification, power of a lens, combination of thin lenses in contact, refraction of light through a prism.
  • Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.

Chapter–10: Wave Optics

  • Wave optics: Wave front and Huygen’s principle, reflection and refraction of plane wave at a plane surface using wave fronts. Proof of laws of reflection and refraction using Huygen’s principle. Interference, Young’s double slit experiment and expression for fringe width, coherent sources and sustained interference of light, diffraction due to a single slit, width of central maximum

Unit VII: Dual Nature of Radiation and Matter

Chapter–11: Dual Nature of Radiation and Matter

  • Dual nature of radiation, Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of light.
  • Experimental study of photoelectric effect
  • Matter waves-wave nature of particles, de-Broglie relation

Unit VIII: Atoms and Nuclei

Chapter–12: Atoms

  • Alpha-particle scattering experiment; Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum.

Chapter–13: Nuclei Composition and size of nucleus Nuclear force

  • Mass-energy relation, mass defect, nuclear fission, nuclear fusion.

Unit IX: Electronic Devices

Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits

  • Energy bands in conductors, semiconductors and insulators (qualitative ideas only) Semiconductor diode – I-V characteristics in forward and reverse bias, diode as a rectifier; Special purpose p-n junction diodes: LED, photodiode, solar cell.

CBSE Class 12 Physics Practical Syllabus

The record to be submitted by the students at the time of their annual examination has to include:

  • Record of at least 8 Experiments [with 4 from each section], to be performed by the students.
  • Record of at least 6 Activities [with 3 each from section A and section B], to be demonstrated by teacher

CBSE Class 12 Physics Practical Syllabus SECTION–A

  1. To determine resistance per cm of a given wire by plotting a graph for potential difference versus current.
  2. To find resistance of a given wire using metre bridge and hence determine the resistivity (specific resistance) of its material.
  3. To verify the laws of combination (series) of resistances using a metre bridge.
    OR
    To verify the laws of combination (parallel) of resistances using a metre bridge.
  4. To compare the EMF of two given primary cells using potentiometer.
  5. To determine the internal resistance of given primary cell using potentiometer.
  6. To determine the resistance of a galvanometer by half-deflection method and to find its figure of merit.
  7. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same.
    OR
    To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.
  8. To find the frequency of AC mains with a sonometer.

CBSE Class 12 Physics Practical Syllabus SECTION–B

  1. To find the value of v for different values of u in case of a concave mirror and to find the focal length.
  2. To find the focal length of a convex mirror, using a convex lens.
  3. To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.
  4. To find the focal length of a concave lens, using a convex lens.
  5. To determine the angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.
  6. To determine the refractive index of a glass slab using a travelling microscope.
  7. To find the refractive index of a liquid by using a convex lens and plane mirror.
  8. To draw the I-V characteristic curve for a p-n junction in forward bias and reverse bias.
  9. To draw the characteristic curve of a zener diode and to determine its reverse break down voltage.

Download Revised CBSE Class 12 Physics Syllabus 2020-21 PDF

CBSE Pattern for Class 12 Physics 2020

  •  Theoretical Paper: 70 marks
  •  Practical/ Project Work: 30 Marks

CBSE Class 12 Physics Question Paper Structure:

Time Duration

3 Hours

Maximum Marks

70 marks

Total No. of Questions

37

Type of Questions

Very Short Answer – 1 mark

Short Answer – 2 marks

Long Answer I – 3 marks

Long Answer II – 5 marks

Deleted CBSE Class 12 Physics Syllabus

Here you can check and download the deleted 12th Physics Syllabus.

Deleted CBSE Class 12 Physics Topis

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

CBSE NCERT Textbook For Class 12 Physics 2020-21 PDF

Physics is an important subject for Class 12 Science Stream. NCERT Physics book has two parts. Each part, you will learn the latest content and revised Physics Concepts. The book has multiple benefits from class 12 exam preparation to various entrance exam preparation.

Here you can download NCERT Textbook for Class 12 Physics for Hindi and English Medium.

Download Chapter-Wise Class 12 NCERT Physics Textbooks PDF for English Medium

Here we are providing the chapter-wise NCERT Class 12 Physics Textbooks PDF. You can read online or download it easily.

NCERT Class 12 Physics Book Part-1 NCERT Class 12 Physics Book Part 2
Chapter 1 – Electric Charges and Fields Chapter 9- Ray Optics and Optical Instruments
Chapter 2- Electrostatic Potential and Capacitance

Chapter 10- Wave Optics

Chapter 3- Current Electricity Chapter 11- Dual Nature of Radiation and Matter
Chapter 4- Moving Charges and Magnetism Chapter 12- Atoms
Chapter 5- Magnetism and Matter Chapter 13- Nuclei
Chapter 6- Electromagnetic Induction Chapter 14- Semiconductor Electronics: Materials, Devices and Simple Circuits
Chapter 7- Alternating Current
Chapter 8- Electromagnetic Waves

Download Chapter-Wise Class 12 NCERT Physics Textbooks PDF for Hindi Medium

Here we are providing the chapter-wise NCERT Class 12 Physics Textbooks PDF. You can read online or download it easily.

NCERT Class 12 भौतिकी भाग 1 NCERT Class 12 भौतिकी भाग 2
अध्याय 1 वैद्युत आवेश तथा क्षेत्रा अध्याय 9 किरण प्रकाशिकी एवं प्रकाशिक यंत्रा
अध्याय 2 स्थिरवैद्युत विभव तथा धरिता अध्याय 10 तरंग-प्रकाशिकी
अध्याय 3 विद्युत धरा अध्याय 11 विकिरण तथा द्रव्य की द्वैत प्रवृफति
अध्याय 4 गतिमान आवेश और चुंबकत्व अध्याय 12 परमाणु
अध्याय 5 चुंबकत्व एवं द्रव्य अध्याय 13 नाभिक
अध्याय 6 वैद्युतचुंबकीय प्रेरण अध्याय 14 अर्धचालक – पदार्थ, युक्तियाँ तथा सरल परिपथ
अध्याय 7 प्रत्यावर्ती धरा
अध्याय 8 वैद्युतचुंबकीय तरंग

Important Links Related To CBSE Class 12

CBSE NCERT Class 12 Book For All Subjects NCERT Solutions For Class 12
CBSE 12th Sample Papers 2020 Class 12th Previous Year Papers 2020
CBSE Class 12 Marking Scheme CBSE 12th Grading System
CBSE 12th Study Plan To Score High CBSE 12th Date Sheet 2020
CBSE 12th Admit Card 2020 CBSE 12th Practical Exam 2020
CBSE 12th Result 2020  

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