TBSE Class 12 Syllabus 2021 Physics
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TBSE Class 12 Syllabus 2021 Physics – Text
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Page 1
Revised Syllabus : Class-XII : Physics : 80 Marks:2020 – 2021
Unit I: Electrostatics 22 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 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 15 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 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 16 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.
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 19 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.
AC generator and transformer.
Unit V: Electromagnetic waves 03 Periods
Chapter–8: Electromagnetic Waves
Page | 1
Unit I: Electrostatics 22 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 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 15 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 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 16 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.
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 19 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.
AC generator and transformer.
Unit V: Electromagnetic waves 03 Periods
Chapter–8: Electromagnetic Waves
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Page 2
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 18 Periods
Chapter–9: Ray Optics and Optical Instruments
Ray Optics: Refraction of light, total internal reflection and its applications, optical fibers, 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 07 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.
Matter waves-wave nature of particles, de-Broglie relation.
Unit VIII: Atoms and Nuclei 11 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.
Mass-energy relation, mass defect; nuclear fission, nuclear fusion.
Unit IX:Electronic Devices 07 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 their
characteristics.
PHYSICS PRACTICAL
The record to be submitted by the students at the time of their examination has to include:
Record of at least 6 Experiments [with a minimum of 3 from each section], to be performed by the students.
Record of at least 5 Activities [with a minimum of 2 each from section A and section B], to be demonstrated by
the teachers.
SECTION–A
Experiments:
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 using metre bridge and hence determine the resistivity (specific resistance) of
Page | 2
Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X- rays, gamma rays) including
elementary facts about their uses.
Unit VI: Optics 18 Periods
Chapter–9: Ray Optics and Optical Instruments
Ray Optics: Refraction of light, total internal reflection and its applications, optical fibers, 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 07 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.
Matter waves-wave nature of particles, de-Broglie relation.
Unit VIII: Atoms and Nuclei 11 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.
Mass-energy relation, mass defect; nuclear fission, nuclear fusion.
Unit IX:Electronic Devices 07 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 their
characteristics.
PHYSICS PRACTICAL
The record to be submitted by the students at the time of their examination has to include:
Record of at least 6 Experiments [with a minimum of 3 from each section], to be performed by the students.
Record of at least 5 Activities [with a minimum of 2 each from section A and section B], to be demonstrated by
the teachers.
SECTION–A
Experiments:
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 using metre bridge and hence determine the resistivity (specific resistance) of
Page | 2
Page 3
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 determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
Activities (For the purpose of demonstration only):
1. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
2. To assemble the components of a given electrical circuit.
3. To study the variation in potential drop with length of a wire for a steady current.
4. 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.
SECTION-B
Experiments:
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 lens by plotting graphs between u and v or between 1/u and 1/v.
3. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and
angle of deviation.
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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 determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
Activities (For the purpose of demonstration only):
1. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
2. To assemble the components of a given electrical circuit.
3. To study the variation in potential drop with length of a wire for a steady current.
4. 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.
SECTION-B
Experiments:
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 lens by plotting graphs between u and v or between 1/u and 1/v.
3. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and
angle of deviation.
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Page 4
4. To determine refractive index of a glass slab using a travelling microscope.
Activities (For the purpose of demonstration only):
1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
2. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
3. 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).
Evaluation Scheme
Time Allowed: Three hours Maximum Marks: 30
Two experiments one from each section 7+7 Marks
Practical record [experiments and activities] 5 Marks
Attendance 5 Marks
Viva on experiments, activities 6 Marks
Total 30 Marks
Blue Print of Question : CLASS XII :PHYSICS :
Unit Chapter VSA SA LA-I LA-II Total
(1 Mark) ( 2 Marks) ( 3 Marks) (5 Marks)
MCQ Objective
type
Unit-I Electrostatics
Ch-1: Electric Charges and 1(1x1=1) 1(5x1=5)
Fields 1(2x1=2) _ With
Ch-2: Electrostatic Potential 1(1x1=1) Intern
and Capacitance al 16
Choic
e
Unit-II Current Electricity
Ch-3: Current Electricity 1(1x1=1) 1(1x1=1) 1(2x1=2) 1(3x1=3)
With _
Intern
al
Choic
e
Unit-III Magnetic Effects of
Current And Magnetism 1(3x1=3)
Ch-4: Moving Charges and _ 1(1x1=1) _ With
Magnetism Internal 1(5x1=5)
Ch-5: Magnetism and Matter - 1(1x1=1) 1(2x1=2) Choice With 17
Unit-IV Electromagnetic Induction From Ch-4 Internal
and Alternating Currents and Ch-6 Choice
Ch-6: Electromagnetic _ 1(1x1=1) _
Induction
Ch-7: Alternating Currents - 1(1x1=1) - 1(3x1=3)
Unit-V Electromagnetic Waves
Electromagnetic Waves - - - 1(3x1=3) -
Unit-VI Optics
Ch-9: Ray Optics and Optical 1(5x1=5)
Instruments - 2(1x2=2) _ 1(3x1=3) With 18
Intern
al
Choice
Ch-10: Wave Optics 1(1x1=1) 2(1x2=2) 1(2x1=2)
With _
Internal
Choice
Page | 4
Activities (For the purpose of demonstration only):
1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
2. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
3. 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).
Evaluation Scheme
Time Allowed: Three hours Maximum Marks: 30
Two experiments one from each section 7+7 Marks
Practical record [experiments and activities] 5 Marks
Attendance 5 Marks
Viva on experiments, activities 6 Marks
Total 30 Marks
Blue Print of Question : CLASS XII :PHYSICS :
Unit Chapter VSA SA LA-I LA-II Total
(1 Mark) ( 2 Marks) ( 3 Marks) (5 Marks)
MCQ Objective
type
Unit-I Electrostatics
Ch-1: Electric Charges and 1(1x1=1) 1(5x1=5)
Fields 1(2x1=2) _ With
Ch-2: Electrostatic Potential 1(1x1=1) Intern
and Capacitance al 16
Choic
e
Unit-II Current Electricity
Ch-3: Current Electricity 1(1x1=1) 1(1x1=1) 1(2x1=2) 1(3x1=3)
With _
Intern
al
Choic
e
Unit-III Magnetic Effects of
Current And Magnetism 1(3x1=3)
Ch-4: Moving Charges and _ 1(1x1=1) _ With
Magnetism Internal 1(5x1=5)
Ch-5: Magnetism and Matter - 1(1x1=1) 1(2x1=2) Choice With 17
Unit-IV Electromagnetic Induction From Ch-4 Internal
and Alternating Currents and Ch-6 Choice
Ch-6: Electromagnetic _ 1(1x1=1) _
Induction
Ch-7: Alternating Currents - 1(1x1=1) - 1(3x1=3)
Unit-V Electromagnetic Waves
Electromagnetic Waves - - - 1(3x1=3) -
Unit-VI Optics
Ch-9: Ray Optics and Optical 1(5x1=5)
Instruments - 2(1x2=2) _ 1(3x1=3) With 18
Intern
al
Choice
Ch-10: Wave Optics 1(1x1=1) 2(1x2=2) 1(2x1=2)
With _
Internal
Choice
Page | 4
Page 5
Unit-VII Dual nature of Radiation
and Matter
Ch-11:Dual nature of 1(1x1=1) 1(1x1=1) 1(2x1=2) _ _
Radiation and Matter With 12
Unit-VIII Atoms and Nuclei Internal
Ch-12: Atoms 1(1x1=1) 1(1x1=1) Choice _
1(3x1=3)
Ch-13: Nuclei - 1(1x1=1) 1(2x1=2) -
Unit-IX Electronic Devices
Ch-14: Semiconductor 2(1x2=2) _
Electronics: Materials, - One with 1(2x1=2) 1(3x1=3) 7
Devices and Simple Circuits. Internal
Choice
Note:- The above template is only a sample. Suitable internal variation may be made for generating similar templates
keeping the overall weightage to different form of questions and typology of question same.
Page | 5
and Matter
Ch-11:Dual nature of 1(1x1=1) 1(1x1=1) 1(2x1=2) _ _
Radiation and Matter With 12
Unit-VIII Atoms and Nuclei Internal
Ch-12: Atoms 1(1x1=1) 1(1x1=1) Choice _
1(3x1=3)
Ch-13: Nuclei - 1(1x1=1) 1(2x1=2) -
Unit-IX Electronic Devices
Ch-14: Semiconductor 2(1x2=2) _
Electronics: Materials, - One with 1(2x1=2) 1(3x1=3) 7
Devices and Simple Circuits. Internal
Choice
Note:- The above template is only a sample. Suitable internal variation may be made for generating similar templates
keeping the overall weightage to different form of questions and typology of question same.
Page | 5
Page 6
Deleted Syllabus :Physics : Class –XII : 2020-2021
Unit I: Electrostatics
Chapter–1: Electric Charges and Fields
Application of Gauss's theorem to find field due to uniformly charged thin spherical shell (field inside
and outside).
Unit II: Current Electricity
Chapter–3: Current Electricity
Carbon resistors, colour code for carbon resistors; series and parallel
combinations of resistors.
Unit III: Magnetic Effects of Current and Magnetism
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.
Unit IV: Electromagnetic Induction and Alternating Currents
Chapter–7: Alternating Current
Power factor, wattless current.
Unit V: Electromagnetic waves
Chapter–8: Electromagnetic Waves
Basic idea of displacement current.
Unit VI: Optics
Chapter–9: Ray Optics and Optical Instruments
Reflection of light, spherical mirrors, mirror formula.
Scattering of light - blue colour of sky and reddish appearance of the sun at sunrise and sunset.
Chapter–10: Wave Optics
Resolving power of microscope and astronomical telescope, polarisation, plane polarised light,
Brewster's law, uses of plane polarised light and Polaroids.
Page | 6
Unit I: Electrostatics
Chapter–1: Electric Charges and Fields
Application of Gauss's theorem to find field due to uniformly charged thin spherical shell (field inside
and outside).
Unit II: Current Electricity
Chapter–3: Current Electricity
Carbon resistors, colour code for carbon resistors; series and parallel
combinations of resistors.
Unit III: Magnetic Effects of Current and Magnetism
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.
Unit IV: Electromagnetic Induction and Alternating Currents
Chapter–7: Alternating Current
Power factor, wattless current.
Unit V: Electromagnetic waves
Chapter–8: Electromagnetic Waves
Basic idea of displacement current.
Unit VI: Optics
Chapter–9: Ray Optics and Optical Instruments
Reflection of light, spherical mirrors, mirror formula.
Scattering of light - blue colour of sky and reddish appearance of the sun at sunrise and sunset.
Chapter–10: Wave Optics
Resolving power of microscope and astronomical telescope, polarisation, plane polarised light,
Brewster's law, uses of plane polarised light and Polaroids.
Page | 6
Page 7
Unit VII: Dual Nature of Radiation and Matter
Chapter–11: Dual Nature of Radiation and Matter
Davisson-Germer experiment (experimental details should be omitted; only conclusion should be
explained).
Unit VIII: Atoms and Nuclei
Chapter-13: Nuclei
Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law.
Binding energy per nucleon and its variation with mass number.
Unit IX: Electronic Devices
Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits
Zener diode and their characteristics, zener diode as a voltage regulator.
Digital electronics and Logic Gates: Logic Gates - NOT Gate, OR Gate, AND Gate, NAND Gate, NOR Gate
(simple ideas only).
***
Page | 7
Chapter–11: Dual Nature of Radiation and Matter
Davisson-Germer experiment (experimental details should be omitted; only conclusion should be
explained).
Unit VIII: Atoms and Nuclei
Chapter-13: Nuclei
Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law.
Binding energy per nucleon and its variation with mass number.
Unit IX: Electronic Devices
Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits
Zener diode and their characteristics, zener diode as a voltage regulator.
Digital electronics and Logic Gates: Logic Gates - NOT Gate, OR Gate, AND Gate, NAND Gate, NOR Gate
(simple ideas only).
***
Page | 7