NCERT Solution for class 12 Physics
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NCERT Solution for class 12 Physics
Chapter 1: Electric Charges And Fields
1.1 Introduction to Electric Charges and Fields
1.2 Electric Charge
1.3 Conductors and Insulators
1.4 Charging by Induction
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 And Its Applications
Chapter 2: Electrostatic Potential And Capacitance
2.1 Introduction to Electrostatic Potential And Capacitance
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
2.15 Energy Stored in a Capacitor
2.16 Van de Graaff Generator
Chapter 3: Current Electricity
3.1 Introduction to Current Electricity
3.2 Electric Current
3.3 Electric Current in Conductors
3.4 Ohm’s Law And Limitations of Ohm’s Law
3.5 Drift of Electrons and the Origin of Resistivity
3.6 Resistivity of Various Materials
3.7 Temperature Dependance of Resistivity
3.8 Electrical Energy, Power
3.9 Combination of Resistors-Series and Parallel
3.10 Cells, emf, Internal Resistance
3.11 Cells in Series and in Parallel
3.12 Kirchhoff’s Rules
3.13 Wheatstone Bridge
3.14 Meter Bridge
3.15 Potentiometer
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
5.3 Magnetism and Gauss’s Law
5.4 The Earth’s Magnetism
5.5 Magnetisation and Magnetic Intensity
5.6 Magnetic Properties of Materials
5.7 Permanent Magnets and Electromagnets
Chapter 6:Electromagnetic Induction
6.1 Introduction6.2 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
6.7 Energy Consideration: A Quantitative Study
6.8 Eddy Currents
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
7.7 Power in AC Circuit: The Power Factor
7.8 LC Oscillations
7.9 Transformers
Chapter 8:Electromagnetic Waves
8.1 Introduction
8.2 Displacement Current
8.3 Electromagnetic Waves
8.4 Electromagnetic Spectrum
Chapter 9:Ray Optics and Optical Instruments
9.1 Introduction
9.2 Reflection of Light by Spherical Mirrors
9.3 Refraction
9.4 Total Internal Reflection
9.5 Refraction At Spherical Surfaces and By Lenses
9.6 Refraction through a Prism
9.7 Dispersion by a Prism
9.8 Some Natural Phenomena due to Sunlight
9.9 Optical Instruments
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
10.5 Interference of Light Waves and Young’s Experiment
10.6 Diffraction
10.7 Polarisation
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
11.9 Davisson and Germer Experiment
Chapter 12:Atoms
12.1 Introduction
12.2 Alpha-particle Scattering and Rutherford’s Nuclear Model of Atom
12.3 Atomic Spectra
12.4 Bohr Model of the Hydrogen Atom
12.5 The Line Spectra of the Hydrogen Atom
12.6 DE Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
Chapter 13: Nuclei
13.1 Introduction to Nuclei
13.2 Atomic Masses and Composition of Nucleus
13.3 Size of the Nucleus
13.4 Mass-Energy and Nuclear Binding Energy
13.5 Nuclear Force
13.6 Radioactivity
13.7 Nuclear Energy
Chapter 14:Semiconductor Electronics:Materials, Devices and Simple Circuits
14.1 Introduction
14.2 Classification of Metals,Conductors and Semiconductors
14.3 Intrinsic Semiconductor
14.4 Extrinsic Semiconductor
14.5 p-n Junction
14.6 Semiconductor Diode
14.7 Application of Junction Diode as a Rectifier
14.8 Special Purpose p-n Junction Diodes
14.9 Junction Transistor
14.10 Digital Electronics and Logic Gates
14.11 Integrated Circuits
Chapter 15:Communication Systems
15.1 Introduction to Communication Systems
15.2 Elements of Communication System
15.3 Basic Terminology Used in Electronic Communication Systems
15.4 Bandwidth of Signals
15.5 Bandwidth of Transmission Medium
15.6 Propagation of Electromagnetic Waves
15.7 Modulation and its Necessity
15.8 Amplitude Modulation
15.9 Production of Amplitude Modulated Wave
15.10 Detection of Amplitude Modulated Wave
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NCERT Solutions for Class 12 Physics Chapter 1 Electric Charges and Fields
In this chapter, you will study the concept of electric charges and conservation, Coulomb’s law. Also study the force between charges, and the principle of superposition and continuous charge distribution, electric field and its application, electric dipole, the concept of electric flux, Gauss’s theorem and its applications.
NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance
In this chapter, you will study about the electric potential and its applications, potential difference, equipotential surfaces, the electrical potential energy of charges in an electrostatic field. You will study about conductors and insulators, free charges and bound charges inside a conductor. Also dielectrics and electric polarisation, capacitors and capacitance, the combination of capacitors in series and in parallel, energy stored in a capacitor.
NCERT Solutions for Class 12 Physics Chapter 3 Current Electricity
In this chapter, you will learn the concept of electric current, the flow of electric charges in a metallic conductor. The concept of electrical resistance, V-I characteristics, The Kirchhoff’s law and its applications, potentiometer – principle and its applications, Wheatstone bridge, and meter bridge.
NCERT Solutions for Class 12 Physics Chapter 4 Moving Charges and Magnetism
In this chapter, you will learn the concept of the magnetic field, Oersted’s experiment, Biot – Savart law, Ampere’s law, and their applications, and solenoids, the force on a moving charge, the concept of torque, moving coil galvanometer.
NCERT Solutions for Class 12 Physics Chapter 5 Magnetism and Matter
This chapter explains you about the magnetic dipole and its moment, the concept of torque on a magnetic dipole; bar magnet as an equivalent solenoid, magnetic field lines, Earth’s magnetic field, and magnetic elements, types of magnetic substances, the concept of electromagnets and factors affecting its strength.
NCERT Solutions for Class 12 Physics Chapter 6 Electromagnetic Induction
This chapter explains the concept of electromagnetic induction, Faraday’s laws, induced emf and current, Lenz’s Law, Eddy currents, types of induction.
NCERT Solutions for Class 12 Physics Chapter 7 Alternating Current
In this chapter, you will get to know about alternating currents, peak and RMS value of alternating current/voltage, reactance, and impedance, LC oscillations, LCR series circuit, resonance and power in AC circuits, AC generator and transformer, wattless current.
NCERT Solutions for Class 12 Physics Chapter 8 Electromagnetic Waves
This chapter explains the basic idea of displacement current, electromagnetic waves and their characteristics and transverse nature. You will also learn the concept of the electromagnetic spectrum including elementary facts and their uses. NCERT Solutions for Class 12 Physics Chapter 9 Ray Optics and Optical Instruments
In this chapter, you will study reflection and refraction of light, mirror formula, total internal reflection and its applications, optical fibers, thin lens formula, lens maker’s formula, the concept of magnification, the combination of thin lenses. You will also study about microscopes and astronomical telescopes and their magnifying powers.
NCERT Solutions for Class 12 Physics Chapter 10 Wave Optics
In this chapter you will study about wavefront , the Huygen’s principle, reflection and refraction of plane wave , concept of interference ,Young’s double slit experiment and expression for fringe width, coherent sources and sustained interference of light , diffraction due to a single slit, polarisation, plane polarised light and uses , Brewster’s law , the concept of resolving power.
NCERT Solutions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter
In this chapter, you will learn about the dual nature of radiation, photoelectric effect, Hertz and Lenard’s observations, Einstein’s photoelectric equation, de Broglie relation. Davisson-Germer experiment.
NCERT Solutions for Class 12 Physics Chapter 12 Atoms
This chapter explains the scattering experiment of alpha-particle, Rutherford’s model of an atom, Bohr model, energy levels, hydrogen spectrum.
NCERT Solutions for Class 12 Physics Chapter 13 Nuclei
This chapter explains the composition and size of nucleus, atomic masses, isotopes, isobars, isotones, radioactivity, and radioactive particles and their properties and radioactive decay law, the mass-energy relation, nuclear fission, and fusion.
NCERT Solutions for Class 12 Physics Chapter 14 Semiconductor Electronics: Materials, Devices, and Simple Circuits
This chapter tells you about energy bands and their I-V characteristics, diodes, and types of diodes and their characteristics and uses of diodes, junction transistor and characteristics of a transistor and application, the concept of analog and digital signals, logic gates. Download NCERT solutions for Semiconductor electronics here.
NCERT Solutions for Class 12 Physics Chapter 15 Communication Systems
This chapter explains you about the elements of a communication system, bandwidth of signals and transmission medium, propagation of electromagnetic waves, concept of wave propagation, satellite communication, amplitude modulation.