TN Board Class 12 Physics Syllabus – Latest 2022-2023

The Board of Higher Secondary Education, Tamil Nadu is the body in charge of conducting the Class 12 examinations. The students are always advised to start their preparations for upcoming examinations well in advance. It is important to learn the chapters with the syllabus in mind so that the preparation is up to the mark. The latest Class 12 Tamil Nadu Class 12 Physics Syllabus is vast, and the topics are covered in detail. Learning Physics at the Class 12 level is important for making a career in fields like Astronomy, Astroscience, Meteorology, etc.

To prepare for the Tamil Nadu Class 12 Physics Syllabus, it is important to make use of the Tamil Nadu Sample Question Paper and Tamil Nadu Previous Year Question Paper. The students are advised to prepare a separate study plan for the Physics subjects and follow it consistently.

The students can download Tamil Nadu Class 12 Physics Syllabus from the Extramarks website and mobile application. The syllabus given on Extramarks is very accurate and reliable.

Tamil Nadu Class 12 Physics Syllabus consists of chapters like Electrostatics, Current Electricity, Magnetism and Magnetic Effect of Electric Currents, etc.

Referring to Tamil Nadu Class 12 Physics Syllabus will guide students in formulating a study plan for Physics and students can come up with a strategic approach for preparing according to the marking scheme.

It is important to get an overview of all the points and subpoints covered in the Tamil Nadu Class 12 Physics Syllabus before starting the board exam preparation. The students are advised to keep referring to the Physics syllabus to be on the right track and make their learning process strong. Tamil Nadu Class 12 Physics Syllabus needs to be strictly followed when preparing for the Physics exam. Electrostatics concepts can sometimes be tough to understand, and students have to spend enough time revising the topics and subtopics explained in the Electrostatics chapter to make their concepts strong. The exercise questions also need to be solved from time to time to get a deeper understanding of the concepts. Apart from Tamil Nadu Class 12 Physics Syllabus, students can access all the necessary study materials like Tamil Nadu State Board’s past years’ question papers and sample papers from the Extramarks’ website and mobile application.

Tamil Nadu Board (TN HSC) Physics Syllabus for Class 12

Tamil Nadu Board (TN HSC) Physics Latest Syllabus for Class 12

The Class 12 students belonging to the Board of Higher Secondary Education, Tamil Nadu are requested to go through the Tamil Nadu Class 12 Physics Syllabus to get an idea of what they will be learning in Class 12 Physics subject. The Tamil Nadu Class 12 Physics Syllabus is available on Extramarks’ website and mobile application. Tamil Nadu Class 12 Physics Syllabus is a useful tool to add to one’s study table while preparing for the Class 12 Physics Tamil Nadu State Board Examination. The students are advised to follow the points in the syllabus and get a detailed understanding of all the major topics that are important from the board’s exam perspective. 

SYLLABUS 2021-2022
CLASS: 12                 SUBJECT: PHYSICS

1.1 introduction
1.1.1 Histoncal background of electric charges
1.1.2 Basic Properties of charges
1.2 Coulomb’s law
1.2.1 Super position principle
1.3 Electric field and Electric field line
1.3.1 Electric Field
1.3.2 Electric field due to the system of point charges
1.4 Electric Dipole and its properties
1.4.1 Electric dipole
1 4 2 Electric Field due to a dipole
1.4.3 Torque experienced by an electric dipole in the uniform electric field
1.5 Electrostatic potential and potential energy
1.5.1 Electrostatic Potential energy & Electro static Potential
1.5.2 Electric Potential due to a point charge
1.5.3 Electro static Potential at a point due to an electric dipole
I. Electrostatics 1.5.6 Electro static potential energy for
collection of point charges
1.5.7 Electro static potential energy of a dipole in a uniform electric field
1.6 Gauss Law and its application
1.6.1 Electric Flux
1.6.2 Electric flux for closed surfaces
1.6.3 Gauss Law
1.6.4 Applications of Gauss Law
1.8 Capacitor and Capacitance
1.8.1 Capacitors
1.8.2 Energy stored in the capacitor
1.8.3 Application of capacitors
1.8.4 Effect of dielectrics in capacitors
1.8.5 Capacitors in series andmparallel
1. 9 Distribution of charges in a conductor and action at points
1.9.1 Dismbution of charges in a conductor
1.9.2 Action of points or corona discharge
1.9.4 Vande graft Generator

2.1   Elecmc Current

2.1.1 Conventional Current

2.1.2 Drift Velocity

2.13 Microscopic model of current

2.2   Ohm’s Law

2.2.1  Resistivity

2.2.2 Resistors in Series and Parallel

2.2.3 Colour code for carbon resistors

2.2.4 Temperature dependence of resistivity
2.3   Energy and power in electrical circuits

2.4.1 Electromotive force and internal resistance 2.4.2 Determination of internal resistance

2. Current Electricity 2.4.3 Cells in senes
2.4.4 Cells in Parallel
2.5 Kirchhoff’s rule
2.5.1 Kirchhoff s First rule
2.5.2 Kirchhoff s Second rule
2.5 .3 Wheatstone’s bridge
2.5.4 Metre bridge
2.5.7 Measurement of internal resistance of cell by Potentiometer
2.7 Thermo electric current
2.7.1 Seebeck effect
2.7.2 Peltier Effect
2.7.3 Thomson effect
3.1 Introduction
3.1.2 Basic properties of magnets
3.2 Coulomb’s inverse square law of magnetism
3.8 Biot – Savart law
3.8.1 Definition and explanation of Biot – Savart law
3. Magnetism and magnetic effects of electric current 3.8.2 Magnetic field due to long straight conductor carrying current
3.8.3 Magnetic held produced along the axis of the current carrying circular coil
3.8.5 Current loop as a magnetic dipole
3.9  Ampere Circuital law
3.9.1 Ampere’s circuital law
3.9.2 Magnetic field due to the current carrying wire of infinite length using Ampere’s lass
3.9.3 Magnetic field due to a long current carrying solenoid

3.10 Lorentz force

3.10.1 Force on a moving charge in a magnetic field

3.10.2 Motion of a charged particle in a uniform magnetic field
3.10.3 Motion of a charged particle under crossed electric and magnetic field (velocity selector)
3.10.5 Force on a current carrying conductor placed in a         magnetic field
3.10.6 Force between two long parallel current carrying conductors
3.11.2 Moving coil galvanometer
4.1 Electromagnetic Induction
4.1 .1 Introduction
4.1.2  Magnetic Flux fetid
4.1 .5 Fleming’s right hand rule
41.6 Motional emf from Lorentz force
4.3 Self-Induction
4.3.1 Introduction
4.3.2 Self-inductance of a long solenoid
4.3.3  Mutual Induction
4.3.4 Mutual Inductance between two long coaxial solenoids
4.4 Methods of producing induced emf
4. Electromagnetic Induction and Alternating current 4.4.1 Introduction
4.4.2 Production of induced emf by changing the magnenc field
4.4.3 Production of induced emf by changing the area of the coil
4.4.4 Production of induced emf by changing relative orientation of the coil with the magnetic field
4.6 Transformer
4.6.1 Construction and working of transformer
4.6.2 Energy losses in Transformer
4.6.3 Advantages of AC in long distance power transmission.
4.7  Alternating Current
4.7.1  Introduction
4.7.1 Mean or Average value of AC 4.7.2 RMS value of AC

4.7.3 AC circuit containing pure resistor

4.7.4 A Circuit containing pure inductor
4.73 AC circuit containing only a capacitor
4.7.6 AC circuit containing a resistor. an inductor and a capacitor in series – Series RLC circuit
4.7.7 Resonance in series RLC circuit
4.7.8 Q- factor
4.8 Power in AC circuits
4.8.1 Introduction of power in AC circuits
4.8.2 Wattless current
4.8.3 Power factor
4.8.4 Advantages and disadvantages of AC over DC
4.9 Oscillation in LC circuits
4.9.1 Energy conversion during LC oscillations
4.9.2 Conservation of energy in LC oscillations
5.1 Introduction
5.1.1 Displacement current and Maxwell’s correction to Ampere’s circuital law
5.1.3 Maxwell’s equations in integral form
5. Electromagnetic waves 5.2 Electromagnetic waves
5.2.1 Production and properties of electromagnetic waves Herti experiments
5.2.3 Electromagnetic spectrum
5.3 Types of spectrum emission and absorption spectrum fraunhofer lines
6.1     Introduction
6.1.1 Ray optics
6.1.2 Reflection
6.13 Angle of deviation due to reflection
G. Ray optics 6.1.4 Image formed in plane mirror
6.1.5 Characteristics of the image formed by plane mirror
6.2 Spherical mirrors
6.2.1 Paraxial rays and marginal rays
6.2.2 Relation between f and r
6.2 5 The mirror equation

6.2.6 Lateral magnification in spherical mirror

6.3 Speed of light
6.3.1 Fizeau’s method to determine speed of light
6.3.3 Refractive index
6.3.4 Optical path
6.4 Retraction
6.4.1 Angle of deviation due to refraction
6.4.3 Principle of reversibility
6.4.4 Relative refractive index
6.4.5 Apparent depth
6.4.6 Critical angle and total internal reflection
6.4.8 Refraction in glass slab
6.5 Refraction at single spherical surface
6.5.1 Equation for refraction at single spherical surface
6.6 Thin lens
6.6.3 Lens makers formula and lens formula
6.6.4 Lateral magnification in thin lens
6.6.6 Focal length of lenses in contact
6.6.7 Silvered lenses
6.7 Prism
6.7.1 Angle of deviation produced by a prism
6.7.2 Angle of minimum deviation
6.7.3 Refractive index of the material of the prism
6.7.4 Dispersion of white light through a prism
6.7.5 Dispersive power
6.7.6 Scattering of sunlight
7.1 Theories on light
7.1.1 Corpuscular theory
7.1.2 Wave theory
7.1.3 Electromagnetic wave theory
7.  Wave optics
7.1.4 Quantum theory
7.2 Wave nature of light
7.2.1 wave optics
7.2.2 Huygens’ principle
7.2.3 Proof for laws of reflection using Huygens principle

7.2.4  Proof for laws of refraction using Huygens principle

7.3  Interference

7.3.1 Phase difference and path difference

7.3.2 Coherant Sources

7.3.3 Double slit as coherent source

7.3.4 Young’s double slit experiment

7.3.5 interference in white light (polychromatic light)

7.3.6 interference in thin films

7.4 Diffraction

7.4.2 Diffraction in single slit

7.4 4 Fresnel’s distance

7 4 5 Difference between interference and diffraction

7.4.9 Resloution Polanser and analyser Plane and partially polnsed light Malus law  Uses of polroids

7.5.4 Poinsation by reflection Brewster’s law Pile of plates

7.6 Optical instruments

7.6.1 Simple microscope

7.6.1 1 Near Point focusing Normal focusing Resolving Power of Microscope Resolving Power of telescope

7.6.2 Compound microscope Magnification In compound microscope

7.6.3 Astronomocal telescope Magnification in astronomical telescope

7.6.5 Reflecting telescope Astigmatism

8. Dual nature Of radiation and mater


8.1 Introduction

8.1.1 Electron Emission

8.2 Photo Electric Effect

8.2.1  HERTZ. Halhvach and Lenards’s Observation

8.2.2 Effect of intensity of incident light on Photo Electric current

8.2.3 Effect of Potential Difference on Photo Electric current

8.2.4 Effect of Frequency on Incident Light on stopping potential

8.2.5 Laws of Photo Electric current

8.2.6 Concept of Quantization of Energy

8.2.7 Particle Nature of light Einstein Explanation

8.2.8 Photo Electric cells and their Applications

8.3 Matter waves

8.3.1 Introduction wave Nature of Particles 8.3.2 De Broglie wavelength

8.3.3 De Broglie wavelength of electron

8.3.4 Davisson Cermet Experiment

8.3.5 Electron Microscope

8.4 X – ray Spectra Continuous X Ray Spectra. Characteristic X Ray Spectra

9. Atomic and nuclear physics


9.1 Introduction

9.2 Electric Discharge Through gases Properties of Cathode Rays

9.2.1 Determination of Specific Charge (e/m) of  electron – Thomsons experiment

9.2.2 Determination of charge of electron Willilcan’s Oil Drop Experiment

9.3.2 Ruther ford Model

9.3.3 Bohr atom model

9 3 4 Atomic Spectra

9.4.3 Atomic and Nuclear masses

9.4.4  Srze and density of Nucleus

9.4.5 Mass Defects and Binding energy

9.4.6 Binding Energy

9.5 Nuclear Force

9.6.1 Alphadecay

9.6.2 Beta Decay

9.6.3 Gamma Emission

9.6.4 Laws Of Radioactivity

9.6.5 Half life Mean life

9.6.6 Carbon dating

9.7 Nuclear fission
9.8 Nuclear fusion

10. Electronics and communication systems 10.1  Introduction

10.1.1 Energy Band Diagram

10.1.2 Classification of materials

10.2 Types of Semi conductors

10.2.1 Intrinsic Semiconductor

10.2.2 Extrinsic Semi conductor


10.3.1 PN junction Formation

10.3.2 RNJunction Diode

10.3.4 Rectification

i)Half wave rectification circuit

ii) Full wave rectification circuit

10.3.5 Breakdown Mechanism

10.3.6 Zener Diode

10.4 The Bipolar junction transistor
10.4.1 Transistor circuit Configuration
10 4 2 Transistor action In CB mode
10.4.3 Relation between u and E
10.4.4 Operating point

10.4 .5 Transistor as a snitch

10.5 Digital Electronics

10.5.1 Analog and digital signal

10.6 Boolean Algebra

10.7 De Morgans theorem

10.7.1 De Morgans 1st Theorem
10.7.2 De Morgans 2nd Theorem
10.7.3 Integrated chips

10.8 Communication System

10.9 Modulation

10 9.1 Amplitude modulation

10.9.2 Frequency modulation

10.9.3 Phase modulation

11. Recent

developments in physics

11.1 Introduction

11.2 Nano science and Nano technology

11.2.1 Nano Science

11.2.2 Interdisciplinary nature of

11.2.3 Nano in nature

11.3 Robotics

11.3.1 What is Robotics ?

11.3.2 Components of robotic
11.3.3 Types of Robotics


CLASS: 12                                                                                            SUBJECT: PHYSICS
SI.No Topic
1 Determine the value of the Horizontal component of the earth magnetic field using tangent galvanometer. Take atleast four readings.
2 Compare the emf of two cells using potentiometer.
3 Adjust the grating for normal incidence using the spectrometer. Determine the wavelength of green, blue, yellow and red lines of mercury spectrum( the number of lines per metre length of the grating can be noted from the grating).
4 Voltage – current characteristics of a PN junction diode.
5 Verification of truth tables of logic gates using integrated circuits.
6 Verification of De morgan’s Theorems.

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