CBSE Class 12 Physics New Term-wise Revised syllabus 2021-22_00.1
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CBSE Class 12 Physics New Term-wise Revised syllabus 2021-22

 

CBSE New Class 12 Physics Term-wise Revised syllabus 2021-22 Pdf Download

Physics is one of the most important subjects especially at class 11 and 12 standard. The topics included in the Physics Class 12 Syllabus are important for the final exam as well as competitive exams. Students preparing for both these exams are counsel to gain whole informality with the CBSE Class 12 Physics Syllabus 2021-2022 for term 1 and term 2. The master plan of exam preparation should be made according to the syllabus. This article represents the important units included in the class 12 Physics syllabus and the marks they will be carrying in the final exam.
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The first step towards the preparation of any exam is to gain the knowledge of its syllabus. Physics syllabus is very great in size and the students are put forward to revise the whole syllabus without gambol anything as all the topics are of much importance from the exam point of view. The syllabus of physics has live through many changes over the years and the students must check the latest syllabus for the same. Here, we provides the students the complete and the latest detail related to the CBSE class 12 Physics syllabus 2021-2022 for term 1 and term 2.

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CBSE Class 12 Physics New Term-wise Revised syllabus 2021-22

Physics in class 12 is one of the important and interesting subjects which is to be covered in the board examinations. The basic concept in Class 12 Physics syllabus is building up for the betterment for further classes. The syllabus also covers the experiments which are essential for the practical classes.

 

Unit wise CBSE New Physics Syllabus Class 12 2021-22

The important units included in the physics syllabus for class 12th along with the periods and marks administer to them are provided in the table.

Class 12 syllabus: Unit wise marks distribution
No. Title Periods Marks
Unit-1 Electrostatics 24 16
Chapter – 1: Electric charges and Fields
Chapter – 2: Electrostatics potential and Capacitance
Unit-2 Current Electricity 18
Chapter – 3: Current Electricity
Unit-3 Magnetic effect of Current and Magnetism 22 17
Chapter – 4: Moving charges and Mechanism
Chapter – 5: Mechanism and Matter
Unit-4 Electromagnetic Induction and Alternating Currents 20
Chapter – 6: Electromagnetic Induction
Chapter – 7: Alternating Currents
Unit-5 Electromagnetic Waves 04 18
Chapter – 8: Electromagnetic Waves
Unit-6 Optics 27
Chapter – 9: Ray Optics and Instruments
Chapter – 10: Wave Optics
Unit-7 Dual Nature of Radiation and matter 08 12
Chapter – 11: Dual Nature of Radiation and Matter
Unit-8 Atoms and Nuclei 15
Chapter – 12: Atoms
Chapter – 13: Nuclei
Unit-9 Electronic devices
Chapter – 14: Semiconductor Electronics: Materials Devices and Simple Circuits 12 7
Total 150 70

 

Unit-wise detailed CBSE syllabus for class 11 Physics New Term-wise Revised syllabus 2021-2022

Unit I: Electrostatics, 24 Periods

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 fields due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside).

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 (18 Periods)

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 nonlinear),  electrical energy and power, electrical resistivity and conductivity, Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; 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.

Potentiometer – principle and its  applications  to measure potential  difference and for comparing EMF of two cells; measurement of internal resistance of a cell.

Unit III:    Magnetic Effects of Current and Magnetism (22 Periods)

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, Cyclotron.

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,  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; bar magnet as an equivalent solenoid, magnetic field lines; earth’s magnetic field and magnetic elements.

Para-, dia- and ferro – magnetic substances, with examples. Electromagnets and factors affecting their strengths, permanent magnets.

Unit IV: Electromagnetic Induction and Alternating Currents (20 Periods)

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, power factor, wattless current. AC generator and transformer.

Unit V: Electromagnetic waves (04 Periods)

Chapter–8: Electromagnetic Waves

Basic idea of displacement current, 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 (27 Periods)

Chapter–9: Ray Optics and Optical Instruments

Ray Optics: Reflection of light, spherical mirrors, mirror formula, 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.

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

Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.

Chapter–10: Wave Optics

Wave optics: Wavefront and Huygens principle, reflection and refraction of plane waves at a plane  surface  using  wave fronts.  Proof  of laws  of reflection and  refraction  using  Huygens  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, resolving   power  of  microscope   and  astronomical   telescope,   polarisation, plane   polarised   light,   Brewster’s  law,   uses  of  plane   polarised   light   and Polaroids.

Unit VII:  Dual Nature of Radiation and Matter (08 Periods)

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, Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained).

Unit VIII:  Atoms and Nuclei (15 Periods)

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, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law, half-life  and mean life.

Mass-energy  relation,   mass  defect;   binding   energy  per  nucleon  and  its variation with mass number; nuclear fission, nuclear fusion.

Unit IX:   Electronic Devices (12 Periods)

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  and Zener diode and their characteristics, zener diode as a voltage regulator.

 

COURSE STRUCTURE

CLASS XII

EVALUATION SCHEME
PRACTICAL (TERM I and II)
Two experiments from each section 7 + 7 Marks
Practical record 5 marks
One activity from any section 3 marks
Project work 3 marks
Viva on experiment, activities and project 5 marks
Total 30 marks

 

LIST OF EXPERIMENTS

Section – A

  1. To determine resistivity of two / three wires by plotting a graph for potential difference versus current.
  2. To find resistance of a given wire / standard resistor using metre bridge.
  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.

  1. To compare the EMF of two given primary cells using a potentiometer.
  2. To determine the internal resistance of a given primary cell using a potentiometer.
  3. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
  4. 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.

  1. To find the frequency of AC mains with a sonometer.

 

Activities:

  1. To measure the resistance and impedance of an inductor with or without iron core.
  2. To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using a multimeter.
  3. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
  4. To assemble the components of a given electrical circuit.
  5. To study the variation in potential drop with length of a wire for a steady current.
  6. To draw the diagram of a given open circuit comprising at least a battery, resistor/rheostat, key, ammeter and voltmeter. Mark the components that are not connected in proper order and correct the circuit and also the circuit diagram.

LIST OF EXPERIMENTS

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 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  diode  in  forward  bias  and reverse bias.
  9. To draw the characteristic curve of a zener diode and to determine its reverse breaks down voltage.

 

Activities

  1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
  2. Use of a multimeter to see the unidirectional flow of current in case of a diode and an LED and check whether a given electronic component (e.g., diode) is in working order.
  3. To study the effect of intensity of light (by varying distance of the source) on an LDR.
  4. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
  5. To observe polarization of light using two Polaroids.
  6. To observe diffraction of light due to a thin slit.
  7. To study the nature and size of the image formed by a (i) convex lens, (ii) concave mirror, on a screen by using a candle and a screen (for different distances of the candle from the lens/mirror).
  8. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

CBSE New Syllabus For Class 12 & 11 2021-2022

CBSE Class 12 New Syllabus 2021-22 CBSE Class 11 New Syllabus 2021-22
Class 12 Maths Class 11 Maths
Class 12 Physics Class 11 Physics
Class 12 Chemistry Class 11 Chemistry
Class 12 Biology Class 11 Biology
Class 12 Economics Class 11 Economics
Class 12 Accountancy Class 11 Accountancy
Class 12 History Class 11 History
Class 12 Geography Class 11 Geography
Class 12 Political Science Class 11 Political Science
Class 12 English Class 11 English

 

CBSE New Syllabus Class 9 & 10 For 2021-2022

CBSE Class 10 New Syllabus 2021-22 CBSE Class 9 New Syllabus 2021-22
Class 10 Maths Class 9 Maths
Class 10 Science Class 9 Science
Class 10 Social Science Class 9 Social Science
Class 10 English Class 9 English

 

FAQ (Frequently asked questions)

  1. From where can I get CBSE Class 12 Syllabus 2021-2022 for Term 1 and Term 2?

Ans. Combined CBSE Class 12 Term 1 and Term 2 has been provided by Adda247.

 

  1. From where can I download the new reduced CBSE Class 12 Syllabus 2021-2022?

Ans. You can download the New Reduced CBSE Class 12 Syllabus 2021-2022 from the academic website of CBSE.

 

  1. Will CBSE reduce the Class 12 Syllabus 2021-2022?

Ans. CBSE has made some important changes. The complete CBSE Class 12 Syllabus 2021-2022 has been divided into two terms. 50% syllabus will be assessed in term 1 and the remaining in term 2.

 

  1. How will the class 12 Board Physics Syllabus Help you?

Ans. The prime reason for downloading the physics syllabus is to make your preparation easier and well-planned. Check all the chapters and their respective marks weightage. It will help you analyse the chapters and proceed accordingly. It will help you complete the syllabus.

 

 

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