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.
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CBSE Syllabus 2021-22 for Class 12 Physics (CBSE Academic Session 2021-22):
Idea: Time: 3 hrs., Max Marks: 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)
Alpha-particle scattering experiment; Rutherford’s mannequin of atom; Bohr mannequin, power ranges, hydrogen spectrum.
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.
Time Allowed: Three hours, Max. Marks: 30
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.
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.
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.
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.
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.
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.
Steered Investigatory Tasks
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.
– 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)
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