Karnataka 2nd PUC Physics Syllabus 2025 - Karnataka Class 12 Physics Syllabus Download PDF

Electric Charges and Fields

Electrostatic Potential and Capacitance

Current Electricity

Moving Charges and Magnetism

Magnetism and Matter

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Part II

Ray Optics and Optical Instruments

Wave Optics

Dual Nature of Radiation and Matter

Atoms

Nuclei

Semiconductor Electronics

Communication Systems

Chapter 1: Electric Charges and Fields

1.1 Introduction

1.5 Basic Properties of Electric Charge

1.6 Coulomb’s Law

1.7 Forces between Multiple Charges

1.8 Electric Field

1.9 Electric Field Lines

1.10 Electric Flux

1.11 Electric Dipole

1.12 Dipole in a Uniform External Field

1.13 Continuous Charge Distribution

1.14 Gauss’s Law

1.15 Applications of Gauss’s Law

1.15.1 Field due to infinitely long straight

uniformly charged wire.

1.15.2 Field due to uniformly charged infinite

plane sheet.

Chapter 2: Electrostatic Potential and Capacitance

2.1 Introduction

2.2 Electrostatic Potential

2.3 Potential due to a Point Charge

2.4 Potential due to an Electric Dipole

2.5 Potential due to a System of Charges

2.6 Equipotential Surfaces

2.7 Potential Energy of a System of Charges

2.8 Potential Energy in an External Field

2.9 Electrostatics of Conductors

2.10 Dielectrics and Polarisation

2.11 Capacitors and Capacitance

2.12 The Parallel Plate Capacitor

2.13 Effect of Dielectric on Capacitance

2.14 Combination of Capacitors

Chapter 3: Current Electricity

3.1 Introduction
3.2 Electric Current
3.3 Electric Currents in Conductors
3.4 Ohm’s law

3.5 Drift of Electrons and the Origin of
Resistivity
3.6 Limitations of Ohm’s Law
3.8 Temperature Dependence of Resistivity
3.9 Electrical Energy, Power
3.11 Cells, emf, Internal Resistance
3.12 Cells in Series and Parallel
3.13 Kirchhoff’s Rules
3.14 Wheatstone Bridge

Chapter 4: Moving Charges and Magnetism

4.1 Introduction

4.2 Magnetic Force

4.3 Motion in a Magnetic Field

4.4 Motion in Combined Electric and

Magnetic Fields

4.5 Magnetic Field due to a Current Element,

Biot-Savart Law

4.6 Magnetic Field on the Axis of a Circular

Current Loop

4.7 Ampere’s Circuital Law

4.8 The Solenoid and the Toroid

4.9 Force between Two Parallel Currents, the

Ampere

4.10 Torque on Current Loop, Magnetic

Dipole

4.11 The Moving Coil Galvanometer

Chapter 5: Magnetism and Matter

5.1 Introduction

5.2 The Bar Magnet

5.2.1 The magnetic field lines

5.3 Magnetism and Gauss’s Law

5.4 The Earth’s Magnetism

5.5 Magnetisation and magnetic intensity

Chapter 6: Electromagnetic Induction

6.1 Introduction
6.2 The Experiments of Faraday and Henry
6.3 Magnetic Flux

6.4 Faraday’s Law of Induction
6.5 Lenz’s Law and Conservation of Energy
6.6 Motional Electromotive Force

6.9 Inductance

6.10 AC Generator

Chapter 7: Alternating Current

7.1 Introduction

7.2 AC Voltage Applied to a Resistor

7.3 Representation of AC Current and

Voltage by Rotating Vectors — Phasors

7.4 AC Voltage Applied to an Inductor

7.5 AC Voltage Applied to a Capacitor

7.6 AC Voltage Applied to a Series LCR

Circuit

7.9 Transformers

Chapter 8: Electromagnetic Waves

8.1 Introduction

8.3 Electromagnetic Waves

8.4 Electromagnetic Spectrum

Chapter 9: Ray Optics and Optical Instruments

9.1 Introduction

9.4 Total Internal Reflection

9.5Refraction at Spherical Surfaces and by Lenses

9.6 Refraction through a Prism

9.8 Optical Instruments (except resolving power

microscope and astronomical telescope)

Chapter 10: Wave Optics

10.1 Introduction

10.2 Huygens Principle

10.3 Refraction and Reflection of Plane Waves using

Huygens Principle

10.4 Coherent and Incoherent Addition of Waves

Chapter 11: Dual Nature of Radiation and Matter

11.1 Introduction

11.2 Electron Emission

11.3 Photoelectric Effect

11.4 Experimental Study of Photoelectric Effect

11.5 Photoelectric Effect and Wave Theory of Light

11.6 Einstein’s Photoelectric Equation: Energy Quantum

of Radiation

11.7 Particle Nature of Light: The Photon

11.8 Wave Nature of Matter

Chapter 12: Atoms

12.1 Introduction Experiment

12.2 Alpha particle Scattering and

Rutherford’s Nuclear Model of Atom

12.3 Atomic Spectra

12.6 De Broglie’s Explanation of Bohr’s Secon

d Postulate of Quantisation

Chapter 13: Nuclei

13.1 Introduction

13.2 Atomic Masses and Composition

of Nucleus

13.3 Size of the Nucleus

13.4 Mass Energy and Nuclear Binding Energy

(except binding energy per nucleon and its

variation with the mass number)

13.5 Nuclear Force

13.7 Nuclear Energy

Chapter 14: Semiconductor Electronics: Material Devices and Simple Circuits

14.1 Introduction

14.2 Classification of Metals, Conductors and Semiconductors

14.3 Intrinsic Semiconductor

14.4 Extrinsic Semiconductor

Chapter 1: Electric Charges and Fields

1.2 Electric Charge (delete only activity with paper strips and making

1.3 Conductors and Insulators (delete only

1.4 Charging by InductionExercises

1.13, 1.25–1.34

Chapter 2: Electrostatic Potential and Capacitance

2.15 Energy Stored in a Capacitor (delete only derivation)

Exercises 2.12 to 2.36

Chapter 3: Current Electricity

3.7 Resistivity of Various Materials (delete Tables

3.1 and

3.2 and Carbon resistors, Colour code for carbon resistor

3.10 Combinations of Resistors – Series and Parallel Example 3.5

3.15 Meter Bridge

3.16 Potentiometer

Exercises 3.3, 3.4, 3.10, 3.12, 3.14–3.23

Chapter 4: Moving Charges and Magnetism

Table 4.1

4.4.1 Velocity Selector

4.4.2 Cyclotron

4.8.2 The Toroid

4.10.3 The Magnetic Dipole Moment of a Revolving Electron

Exercises 4.14–4.28

Chapter 5: Magnetism and Matter

5.2.2 Bar Magnet as an Equivalent Solenoid (delete only mathematical treatment)

5.2.3 The Dipole in a Uniform Magnetic Field (delete only mathematical treatment)

Example 5.4

5.4 Earth’s Magnetism

5.41. Magnetic Declination and Dip

Table 5.2

5.6.2 Paramagnetism

5.6.3 Ferromagnetism temperature;

and Hysteresis

5.7 Permanent Magnets and Electromagnets

Exercises 5.1, 5.2, 5.9–5.11, 5.13–5.25

Chapter 6: Electromagnetic Induction

6.7 Energy Consideration: A Quantitative Study

6.8 Eddy Currents

Exercises 6.6, 6.10–6.17

Chapter 7: Alternating Current

Figure 7.7 Magnetisation and Demagnetisation of an Inductor

Figure 7.10 Charging and Discharging of a Capacitor

7.6.2 Analytical Solution

7.6.3 Resonance (delete only Sharpness of Resonance)

7.8 LC Oscillations

Exercises 7.6, 7.8, 7.10, 7.12–7.26

Chapter 8: Electromagnetic Waves

Example 8.1

8.3.2 Nature of Electromagnetic Waves (delete only about ether and page 277)

Examples 8.4 and 8.5

Exercises 8.11–8.15

Chapter 9: Ray Optics and Optical Instruments

9.3 Refraction (delete only advanced sunrise and delayed sunset)

9.7 Some Natural Phenomena Due to Sunlight

9.7.1 The Rainbow

9.7.2 Scattering of Light Exercise 9.18

Chapter 10: Wave Optics

10.3.4 Doppler Effect

Example 10.1

10.5 Interference of Light waves and Young’s experiment (retain the final expressions for dark and bright fringes but delete the derivation; delete expression for fringe width)

10.6 Diffraction (retain only qualitative treatment)

10.6.3 Resolving Power of Optical Instruments

10.6.4 Validity of Ray Optics

10.7.1 Polarisation by Scattering

10.7.2 Polarisation by Exercises 10.7–10.21

Chapter 11: Dual Nature of Radiation and Matter

Table 11.1

Example 11.3

11.8 Wave Nature of Matter (delete only derivation for de Broglie wavelength of accelerated electron; and Heisenberg’s uncertainty principle)

11.9 Davisson and Germer Experiment Appendix 11.1 The History of Wave-Particle Flip-Flop

Exercises 11.5, 11.7, 11.12 to 11.14, 11.16, 11.17, 11.19–11.37

Chapter 12: Atoms

12.3.1 Spectral Series

12.4 Bohr Model of the Hydrogen Atom (retain only the expression for radius of nth possible orbit but delete its derivative)

12.5 The Line Spectra of the Hydrogen Atom (retain only qualitative treatment)

Example 12.6

Exercises 12.3, 12.11–12.17

Chapter 13: Nuclei

13.6.1 Law of Radioactive Decay

13.6.2 Alpha Decay

13.6.3 Beta Decay

13.6.4 Gamma Decay

13.7.2 Nuclear Reactor

Exercises 13.1, 13.2, 13.6–13.10, 13.12–13.14, 13.18, 13.22–13.31

Chapter 14: Semiconductor Electronics: Material Devices and Simple Circuits

14.8 Special Purpose p-n junction Diodes

14.9 Digital Electronics and Logic Gates Exercises 14.7–14.15