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CBSE Curriculum for CBSE Academic Session 2021-22

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CBSE Curriculum for CBSE Academic Session 2021-22

CBSE Syllabus 2021-22 for Class 12 Physics (CBSE Academic Session 2021-22) is offered right here for obtain in PDF format. This CBSE Curriculum for Class 12 Physics is vital for the preparation of CBSE board exams.

CBSE tenth Board Examination 2021 Cancelled & CBSE twelfth Board Examination Postponed: Essential Updates!

CBSE Syllabus 2021-22 for Class 12 Physics (CBSE Academic Session 2021-22):

Idea: Time: 3 hrs., Max Marks: 70

 No. of Intervals Marks Unit–I Electrostatics 24 16 Chapter–1: Electrical Expenses and Fields Chapter–2: Electrostatic Potential and Capacitance Unit-II Present Electrical energy 18 Chapter–3: Present Electrical energy Unit-III Magnetic Results of Present and Magnetism 22 17 Chapter–4: Transferring Expenses and Magnetism Chapter–5: Magnetism and Matter Unit-IV Electromagnetic Induction and Alternating Currents 20 Chapter–6: Electromagnetic Induction Chapter–7: Alternating Present Unit–V Electromagnetic Waves 04 18 Chapter–8: Electromagnetic Waves Unit–VI Optics 27 Chapter–9: Ray Optics and Optical Devices Chapter–10: ave Optics Unit–VII Twin Nature of Radiation and Matter 08 12 Chapter–11: Twin Nature of Radiation and Matter Unit–VIII Atoms and Nuclei 15 Chapter–12: Atoms Chapter–13: Nuclei Unit–IX Digital Gadgets 12 7 Chapter–14: Semiconductor Electronics: Supplies, Gadgets and Easy Circuits Complete 150 70

Unit I: Electrostatics, 24 Intervals

Chapter–1: Electrical Expenses and Fields

Electrical Expenses; Conservation of cost, Coulomb’s law-force between two level fees, forces between a number of fees; superposition precept and steady cost distribution.

Electrical subject, electrical subject due to a degree cost, electrical subject traces, electrical dipole, electrical subject as a result of a dipole, torque on a dipole in uniform electrical subject.

Electrical  flux,  assertion of Gauss’s theorem and its  functions to seek out fields as a result of infinitely lengthy straight wire, uniformly charged infinite airplane sheet and uniformly charged skinny spherical shell (subject inside and out of doors).

Chapter–2: Electrostatic Potential and Capacitance

Electrical potential, potential distinction, electrical potential due to a degree cost, a dipole and system of  fees; equipotential surfaces, electrical potential power  of  a  system of  two  level  fees  and  of  electrical  dipole  in  an electrostatic subject.

Conductors  and  insulators,   free  fees  and  sure    fees  inside   a conductor. Dielectrics and electrical polarisation, capacitors and capacitance, mixture  of capacitors  in  sequence  and in  parallel,  capacitance  of a parallel plate capacitor with and with out dielectric medium between the plates, power saved in a capacitor.

Unit II: Present Electrical energy  (18 Intervals)

Chapter–3: Present Electrical energy

Electrical present, circulation of electrical fees in a metallic conductor, drift velocity, mobility   and  their   relation   with   electrical   present;  Ohm’s   legislation,   electrical resistance, V-I traits  (linear and nonlinear),  electrical power and energy, electrical resistivity and conductivity, Carbon resistors, color code for carbon resistors; sequence and parallel combos of resistors; temperature dependence of resistance.

Inside resistance of a cell, potential distinction and emf of a cell, mixture of  cells  in  sequence  and in  parallel,  Kirchhoff’s  legal guidelines  and easy  functions, wheatstone bridge, metre bridge.

Potentiometer  – precept  and its  functions  to measure potential  distinction and for evaluating EMF of two cells; measurement of inside resistance of a cell.

Unit III:    Magnetic Results of Present and Magnetism (22 Intervals)

Chapter–4: Transferring Expenses and Magnetism

Idea of magnetic subject, Oersted’s experiment.

Biot – Savart legislation and its utility to present carrying round loop.

Ampere’s legislation and its functions to infinitely lengthy straight wire. Straight and toroidal solenoids (solely qualitative remedy), drive on  a shifting cost in uniform magnetic and electrical fields, Cyclotron.

Drive  on  a current-carrying  conductor  in  a uniform  magnetic  subject,  drive between two parallel current-carrying conductors-definition of ampere, torque skilled   by   a  present loop in uniform magnetic subject; shifting coil galvanometer-its present sensitivity and conversion to ammeter and voltmeter.

Chapter–5: Magnetism and Matter

Present loop as a magnetic dipole and its magnetic dipole second, magnetic dipole  second  of  a revolving  electron,  magnetic  subject  depth  due  to  a magnetic  dipole  (bar magnet) alongside  its  axis  and perpendicular  to  its  axis, torque on  a magnetic dipole (bar magnet) in a uniform magnetic subject; bar magnet as an equal solenoid, magnetic subject traces; earth’s magnetic subject and magnetic parts.

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

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

Chapter–6: Electromagnetic Induction

Electromagnetic induction; Faraday’s legal guidelines, induced EMF and present; Lenz’s Regulation, Eddy currents. Self and mutual induction.

Chapter–7: Alternating Present

Alternating currents, peak and RMS worth of alternating present/voltage; reactance and impedance; LC oscillations (qualitative remedy solely), LCR sequence circuit, resonance; energy in AC circuits, energy issue, wattless present. AC generator and transformer.

Unit V: Electromagnetic waves (04 Intervals)

Chapter–8: Electromagnetic Waves

Primary thought of displacement present, Electromagnetic waves, their traits, their Transverse nature (qualitative concepts solely).

Electromagnetic    spectrum   (radio    waves,   microwaves,    infrared,    seen, ultraviolet, X-rays, gamma rays) together with elementary info about their makes use of.

Unit VI: Optics (27 Intervals)

Chapter–9: Ray Optics and Optical Devices

Ray Optics: Reflection of sunshine, spherical mirrors, mirror method, refraction of sunshine, complete inside reflection and its functions, optical fibres, refraction at spherical  surfaces,  lenses,  skinny  lens  method,  lensmaker’s  method, magnification,  energy  of  a  lens,  mixture  of  skinny  lenses  in  contact, refraction of sunshine via a prism.

Scattering of sunshine – blue color of sky and reddish look of the solar at dawn and sundown.

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

Chapter–10: Wave Optics

Wave optics: Wavefront and Huygens precept, reflection and refraction of airplane waves at a airplane  floor  utilizing  wave fronts.  Proof  of legal guidelines  of reflection and  refraction  utilizing  Huygens  precept.  Interference,  Younger’s  double  slit experiment and expression for fringe width,   coherent sources and sustained interference of sunshine, diffraction as a result of a single slit, width of central most, resolving   energy  of  microscope   and  astronomical   telescope,   polarisation, airplane   polarised   mild,   Brewster’s  legislation,   makes use of  of  airplane   polarised   mild   and Polaroids.

Unit VII:  Twin Nature of Radiation and Matter (08 Intervals)

Chapter–11: Twin Nature of Radiation and Matter

Twin nature of radiation, Photoelectric impact, Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of sunshine. Experimental research of photoelectric impact

Matter waves-wave nature of particles, de-Broglie relation, Davisson-Germer experiment (experimental particulars needs to be omitted; solely conclusion needs to be defined).

Unit VIII:  Atoms and Nuclei (15 Intervals)

Chapter–12: Atoms

Alpha-particle scattering experiment; Rutherford’s mannequin of atom; Bohr mannequin, power ranges, hydrogen spectrum.

Chapter–13: Nuclei

Composition and dimension of nucleus, Radioactivity, alpha, beta and gamma particles/rays  and their  properties;  radioactive  decay legislation,  half  life  and imply life.

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

Unit IX:   Digital Gadgets (12 Intervals)

Chapter–14: Semiconductor Electronics: Supplies, Gadgets and Easy Circuits

Power bands in conductors, semiconductors and insulators (qualitative concepts solely)

Semiconductor diode – I-V traits in ahead and reverse bias, diode as a rectifier;

Particular  objective p-n  junction  diodes:  LED,  photodiode,  photo voltaic  cell  and Zener diode and their traits, zener diode as a voltage regulator.

CBSE Class 12 Physics Sensible 2021-22: (Complete Intervals 60)

The document to be submitted by the scholars on the time of their annual examination has to incorporate:

File of at the very least 12 Experiments [with 6 from each section], to be carried out by the scholars.

File of at the very least  6  Actions  [with  3  each from  section  A and section  B], to  be carried out by the scholars.

The Report of the venture to be carried out by the scholars.

Analysis Scheme

Time Allowed: Three hours, Max. Marks: 30

 Two experiments one from every part 7+7 Marks Sensible document [experiments and activities] 5 Marks One exercise from any part 3 Marks

 Investigatory Mission 3 Marks Viva on experiments, actions and venture 5 Marks Complete 30 marks

Experiments

Part – A

1. To find out resistivity of two / three wires by plotting a graph for potential distinction versus present.

2. To search out resistance of a given wire / normal resistor utilizing metre bridge.

3. To confirm the legal guidelines of mixture (sequence) of resistances utilizing a metre bridge.

OR

To confirm the legal guidelines of mixture (parallel) of resistances utilizing a metre bridge.

4. To check the EMF of two given major cells utilizing a potentiometer.

5. To find out the interior resistance of a given major cell utilizing a potentiometer.

6. To find out resistance  of a galvanometer  by half-deflection methodology and to seek out  its determine of benefit.

7. To transform the given  galvanometer  (of recognized  resistance  and determine  of benefit)  into  a voltmeter of desired vary and to confirm the identical.

OR

To transform the given galvanometer (of recognized  resistance and determine of benefit) into an ammeter of desired vary and to confirm the identical.

8. To search out the frequency of AC mains with a sonometer.

Actions:

1. To measure the resistance and impedance of an inductor with or with out iron core.

2. To measure resistance, voltage (AC/DC), present (AC) and test continuity of a given circuit utilizing a multimeter.

3. To assemble a family circuit comprising three bulbs, three (on/off) switches, a fuse and an influence supply.

4. To assemble the elements of a given electrical circuit.

5. To review the variation in potential drop with size of a wire for a gentle present.

6. To attract the diagram of a given open circuit comprising at the very least a battery, resistor/rheostat, key, ammeter and voltmeter.  Mark the elements  that aren’t related in correct order and proper the circuit and in addition the circuit diagram.

Experiments

SECTION-B

1. To search out the worth of v for totally different values of u in case of a concave mirror and to seek out the focal size.

2. To search out the focal size of a convex mirror, utilizing a convex lens.

3. To  discover  the focal  size  of  a convex lens  by  plotting  graphs between u  and v  or between 1/u and 1/v.

4. To search out the focal size of a concave lens, utilizing a convex lens.

5. To  decide  angle  of  minimal  deviation  for  a given  prism  by  plotting  a graph between angle of incidence and angle of deviation.

6. To find out the refractive index of a glass slab utilizing a travelling microscope.

7. To search out the refractive index of a liquid by utilizing a convex lens and airplane mirror.

8. To  draw the  I-V attribute  curve for  a p-n  junction  diode  in  ahead  bias  and reverse bias.

9. To attract the attribute curve of a zener diode and to find out its reverse breaks down voltage.

Actions

1. To determine  a diode,  an LED, a resistor  and a capacitor  from a combined  assortment  of such objects.

2. Use of a multimeter to see the unidirectional circulation of present in case of a diode and an LED  and test whether or not a given  digital  part (e.g., diode)  is  in  working order.

3. To review the impact of depth of sunshine (by various distance of the supply) on an LDR.

4. To look at refraction and lateral  deviation of a beam of sunshine  incident  obliquely on a glass slab.

5. To look at polarization of sunshine utilizing two Polaroids.

6. To look at diffraction of sunshine as a result of a skinny slit.

7. To review the character and dimension of the picture shaped by a (i) convex lens, (ii) concave mirror, on  a display by utilizing a candle and a display (for totally different distances of the candle from the lens/mirror).

8. To acquire a lens mixture with the desired focal size by utilizing two lenses from the given set of lenses.

1. To review varied components on which the interior resistance/EMF of a cell relies upon.

2. To review the variations in present flowing in a circuit containing an LDR due to a variation in

(a) the facility of the incandescent  lamp,  used to ‘illuminate’  the LDR (protecting  all  the lamps at a set distance).

(b) the gap of an incandescent lamp (of mounted energy) used to ‘illuminate’ the LDR.

3. To search out the refractive indices of (a) water (b) oil (clear) utilizing a airplane mirror, an equi  convex lens  (constructed from  a glass  of a recognized  refractive  index)  and an adjustable object needle.

4. To design an acceptable logic gate mixture for a given fact desk.

5. To research  the relation  between the ratio  of (i) output and enter voltage and (ii) variety of turns within the secondary coil and first coil of a self-designed transformer.

6. To  examine  the dependence of the angle  of deviation  on  the angle  of incidence utilizing a hole prism crammed one after the other, with totally different clear fluids.

7. To estimate  the cost induced  on  every one of many two an identical  styrofoam  (or pith) balls suspended in a vertical airplane by making use of Coulomb’s legislation.

8. To review the issue on  which the self-inductance of a coil relies upon by observing the impact of this coil, when put in sequence with a resistor/(bulb) in a circuit fed up by an A.C. supply of adjustable frequency.

9. To review the earth’s magnetic subject utilizing a tangent galvanometer.

Prescribed Books:

– Physics, Class XII, Half -I and II, Revealed by NCERT.

– Laboratory Guide of Physics for class XII Revealed by NCERT.

Obtain CBSE Class 12 Physics Syllabus 2021-22 (PDF)