# NCERT Solutions Class 12 Physics

NCERT Solutions for Class 12 Physics provide a solid conceptual base for all the topics of CBSE Class 12 Physics. We have covered all the important theorems and formulae with detailed explanations for students. These NCERT Solutions for Physics will help students in the preparation of competitive exams like JEE (Mains and Advanced), VITEEE and other state level exams. NCERT Solutions for [Class 12] Physics are designed by our subject-matter experts in such a way that students find it easy to understand the concepts of Physics. These Physics NCERT Solutions for [Class 12] have detailed step-by-step explanations of problems given in the Books.

EDUGROSS provides solutions of CBSE Board [Class 12] Physics in PDF format which can be downloaded for free. If you have trouble in understanding a topic related to Physics, you can verify the answer to the questions by practicing the solutions that we have provided at EDUGROSS. With these NCERT Solutions, you can score higher in your CBSE Board Exams. Solutions for [Class 12] Physics consist of solved exercise-wise answers for all the chapters. This is a great material for students who are preparing for the Class 12 Exams. The solutions we have provided here are concerning NCERT Syllabus and Curriculum.

A list of chapters provided in Class 12 [Physics] NCERT Solutions free PDF.

##### 1) NCERT Solutions Class 12 Physics Chapter 1 Electric Charges and Fields

Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge

NCERT Solutions for Physics provided here for students to help in their board exams. Here, at EDUGROSS, we have provided solutions with detail and formulae. A list of topics from this chapter are given below: –

• Introduction
• Electric Charge
• Conductors and Insulators
• Charging by Induction
• Basic Properties of Electric Charge
• Coulomb’s Law
• Forces Between Multiple Charges
• Electric Field
• Electric Field Lines
• Electric Flux
• Electric Dipole
• Continuous Charge Distribution
• Gauss’s Law
• Applications of Gauss’s Law
• Field due to an infinitely long straight uniformly charged wire

NCERT Solutions [Class 12] Physics Chapter 1 Electric Charges and Fields Download free pdf

Chapter 1 Electric Charges and Fields

##### 2) NCERT Solutions Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance

Electric potential, the amount of work needed to move a unit charge from a reference point to a specific point against an electric field. And the capacitance of a capacitor is defined as the ratio of the maximum charge that can be stored in a capacitor to the applied voltage across its plates.

NCERT Solutions for Physics provided here for students to help in their Board Exams. Here, at EDUGROSS, we have provided solutions with detail and formulae. A list of topics from this chapter are given below: –

• Introduction
• Electrostatic Potential
• Potential Due to A Point Charge
• Potential Due to an Electric Dipole
• Potential Due to A System of Charges
• Equipotential Surfaces
• Potential Energy of a System of Charges
• Potential Energy in an External Field
• Electrostatics of Conductors
• Dielectrics and Polarisation
• Capacitors and Capacitance
• The Parallel Plate Capacitor
• Effect of Dielectric On Capacitance
• Combination of Capacitors
• Energy Stored in A Capacitor

NCERT Solutions [Class 12] Physics Chapter 2 Electrostatic Potential and Capcitance Download free pdf

Chapter 2 Electrostatic Potential and Capacitance

##### 3) NCERT Solutions Class 12 Physics Chapter 3 Current Electricity

Electric current is the movement of electrons through a wire. Electric current is measured in amperes and refers to the number of charges that move through the wire per second. Resistance is measured in ohms and refers to the forces that oppose the flow of electron current in a wire.

NCERT Solutions for [Class 12] Physics Chapter 3 Current Electricity is provided here in detail for students to score higher in board exams. A list of topics from this chapter are given below: –

• Introduction
• Electric Current
• Electric Currents in Conductors
• Ohm’s Law
• Drift of Electrons and The Origin of Resistivity
• Limitations of Ohm’s Law
• Resistivity of Various Materials
• Temperature Dependence of Resistivity
• Electrical Energy, Power
• Combination of Resistors – Series and Parallel
• Cells, EMF, Internal Resistance
• Cells in Series and in Parallel
• Kirchhoff’s Rules
• Wheatstone Bridge
• Meter Bridge
• Potentiometer

NCERT Solutions [Class 12] Physics Chapter 3 Current Electricity Download free pdf

Chapter 3 Current Electricity

##### 4) NCERT Solutions Class 12 Physics Chapter 4 Moving Charges and Magnetism

Magnetism is the force exerted by magnets when they attract or repel each other and Magnetism is caused by the motion of electric charges.

NCERT Solutions for [Class 12] Physics Chapter 4 Moving Charges and Magnetism provided here for students to help in their Board Exams. A list of topics from this chapter are given below: –

• Introduction
• Magnetic Force
• Motion in A Magnetic Field
• Motion in Combined Electric and Magnetic Fields
• Magnetic Field Due to A Current Element, Biot-Savart Law
• Magnetic Field On the Axis of a Circular Current Loop
• Ampere’s Circuital Law
• The Solenoid and The Toroid
• Force Between Two Parallel Currents, The Ampere
• Torque On Current Loop, Magnetic Dipole
• The Moving Coil Galvanometer

NCERT Solutions [Class 12] Physics Chapter 4 Moving Charges and Magnetism Download free pdf

Chapter 4 Moving Charges and Magnetism

##### 5) NCERT Solutions Class 12 Physics Chapter 5 Magnetism and Matter

In Physics, Magnetism helps to understand the behavioral property of matter. The way a matter responds when placed in magnetic field gives rise to different types of magnetic materials like paramagnetic or diamagnetic as explained above.

NCERT Solutions for [Class 12] Physics Chapter 5 Magnetism and Matter is provided here in detail for students to upgrade their knowledge and also for well preparation of exams. A list of topics from this chapter are given below: –

• Introduction
• The Bar Magnet
• Magnetism and Gauss’ Law
• The Earth’s Magnetism
• Magnetisation and Magnetic Intensity
• Magnetic Properties of Materials
• Permanent Magnets and Electromagnets

NCERT Solutions [Class 12] Physics Chapter 5 Magnetism and Matter Download free pdf

Chapter 5 Magnetism and Matter

##### 6) NCERT Solutions Class 12 Physics Chapter 6 Electromagnetic Induction

Electromagnetic Induction or Induction is a process in which a conductor is put in a particular position and magnetic field keeps varying or magnetic field is stationary and a conductor is moving. This produces a Voltage or EMF (Electromotive Force) across the electrical conductor.

NCERT Solutions for [Class 12] Physics Chapter 6 Electromagnetic Inductions is provided here in detail for students to upgrade their knowledge and also for well preparation of exams. A list of topics from this chapter are given below: –

• Introduction
• The Experiments of Faraday and Henry
• Magnetic Flux
• Lenz’s Law and Conservation of Energy
• Motional Electromotive Force
• Energy Consideration: A Quantitative Study
• Eddy Currents
• Inductance
• AC Generator

NCERT Solutions [Class 12] Physics Chapter 6 Electromagnetic Induction Download free pdf

Chapter 6 Electromagnetic Induction

##### 7) NCERT Solutions Class 12 Physics Chapter 7 Alternating Current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC) which flows only in one direction.

NCERT Solutions for [Class 12] Physics Chapter 7 Alternating Current is provided here in detail for students to score higher in board exams. A list of topics from this chapter are given below: –

• Introduction
• Ac Voltage Applied to A Resistor
• Representation of Ac Current and Voltage by Rotating Vectors — Phasors
• Ac Voltage Applied to an Inductor
• Ac Voltage Applied to A Capacitor
• Ac Voltage Applied to A Series LCR Circuit
• Power in AC Circuit: The Power Factor
• LC Oscillations
• Transformers

NCERT Solutions [Class 12] Physics Chapter 7 Alternating Current Download free pdf

Chapter 7 Alternating Current

##### 8) NCERT Solutions Class 12 Physics Chapter 8 Electromagnetic Waves

Definition: Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.

NCERT Solutions for [Class 12] Physics Chapter 8 Electromagnetic Waves provided here for students to help in their board exams. Here at EDUGROSS, we have provided solutions in detail and with formulae. A list of topics from this chapter are given below: –

• Introduction
• Displacement Current
• Electromagnetic Waves
• Electromagnetic Spectrum

NCERT Solutions [Class 12] Physics Chapter 8 Electromagnetic wave Download free pdf

Chapter 8 Electromagnetic Waves

##### 9) NCERT Solutions Class 12 Physics Chapter 9 Ray Optics and Optical Instruments

In optics a ray is an idealized model of light, obtained by choosing a line that is perpendicular to the wave fronts of the actual light, and that points in the direction of energy flow.

NCERT Solutions for Physics provided here for students to help in their board exams. Here at EDUGROSS, we have provided solutions with detail and with formulae. A list of topics from this chapter are given below: –

• Introduction
• Reflection of Light by Spherical Mirrors
• Refraction
• Total Internal Reflection
• Refraction at Spherical Surfaces and by Lenses
• Refraction Through a Prism
• Some Natural Phenomena Due to Sunlight
• Optical Instruments

NCERT Solutions [Class 12] Physics Chapter 9 Ray Optics and Optical Instrument Download free pdf

Chapter 9 Ray Optics and Optical Instruments

##### 10) NCERT Solutions Class 12 Physics Chapter 10 Wave Optics

In Physics, wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.

NCERT Solutions for [Class 12] Physics Chapter 10 Wave Optics is provided here in detail for students to upgrade their knowledge and also for well preparation of exams. A list of topics from this chapter are given below: –

• Introduction
• Huygens Principle
• Refraction and Reflection of Plane Waves Using Huygens Principle
• Coherent and Incoherent Addition of Waves
• Interference of Light Waves and Young’s Experiment
• Diffraction
• Polarisation

NCERT Solutions [Class 12] Physics Chapter 10 Wave Optics Download free pdf

Chapter 10 Wave Optics

##### 11) NCERT Solutions Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter

The dual nature of matter and the dual nature of radiation were revolutionary concepts of Physics.The photoelectric effect could be explained considering that radiations consist of small packets of energy called quanta. On the other hand, radiations exhibit a phenomenon of interference and diffraction which indicated that they possess wave nature.

NCERT Solutions for [Class 12] Physics Chapter 11 Dual Nature of Radiation and Matter provided here for students to help in their board exams. Here at EDUGROSS, we have provided solutions with detail and with formulae. A list of topics from this chapter are given below: –

• Introduction
• Electron Emission
• Photoelectric Effect
• Experimental Study of Photoelectric Effect
• Photoelectric Effect and Wave Theory of Light
• Einstein’s Photoelectric Equation: Energy Quantum of Radiation
• Particle Nature of Light: The Photon
• Wave Nature of Matter
• Davisson and Germer Experiment

Chapter 11 Dual Nature of Radiation and Matter

##### 12) NCERT Solutions Class 12 Physics Chapter 12 Atoms

An atom is the smallest particle into which an element can be divided without losing its chemical identity. Atoms consist of a heavy central nucleus surrounded by a cloud of negatively charged particles called electrons. The nucleus contains positive particles (protons) and electrically neutral particles (neutrons). The number of protons is called the atomic number. This number uniquely identifies each chemical element. In turn, protons and neutrons are composed of quarks.

NCERT Solutions for [Class 12] Physics Chapter 12 Atoms is provided here in detail for students to upgrade their knowledge and also for well preparation of exams. A list of topics from this chapter are given below: –

• Introduction
• Alpha-Particle Scattering and Rutherford’s Nuclear Model of Atom
• Atomic Spectra
• Bohr Model of the Hydrogen Atom
• The Line Spectra of the Hydrogen Atom
• De Broglie’s Explanation of Bohr’s Second Postulate of Quantisation

Chapter 12 Atoms

##### 13) NCERT Solutions Class 12 Physics Chapter 13 Nuclei

The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks.

NCERT Solutions for [Class 12] Physics Chapter 13 Nuclei is provided here in detail for students to score higher in board exams. A list of topics from this chapter are given below: –

• Introduction
• Atomic Masses and Composition of Nucleus
• Size of The Nucleus
• Mass-Energy and Nuclear Binding Energy
• Nuclear Force
• Nuclear Energy

Chapter 13 Nuclei

##### 14) NCERT Solutions Class 12 Physics Chapter 14 Semiconductor Electronics

Semiconductors are materials which have a conductivity between conductors (generally metals) and insulators (such as most ceramics). Semiconductors can be pure elements, such as Silicon or Germanium, or compounds such as Gallium arsenide or Cadmium selenide.

NCERT Solutions for [Class 12] Physics Chapter 14 Semiconductor is provided here in detail for students to score higher in board exams. A list of topics from this chapter are given below: –

• Introduction
• Classification of Metals, Conductors and Semiconductors
• Intrinsic Semiconductor
• Extrinsic Semiconductor
• P-N Junction
• Semiconductor Diode
• Application of Junction Diode as A Rectifier
• Special Purpose P-N Junction Diodes
• Digital Electronics and Logic Gates

NCERT Solutions [Class 12] Physics Chapter 14 Semiconductor Electronics Download free pdf

Chapter 14 Semiconductor Electronics

##### 15) NCERT Solutions Class 12 Physics Chapter 15 Communication System

A communication system is a collection of individual telecommunication networks, transmission systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole.

NCERT Solutions for [Class 12] Physics Chapter 15 Communication System is provided here in detail for students to score higher in board exams. A list of topics from this chapter are given below: –

• Introduction
• Elements Of A Communication System
• Basic Terminology Used In Electronic Communication Systems
• Bandwidth Of Signals
• Bandwidth Of Transmission Medium
• Propagation Of Electromagnetic Waves
• Ground wave
• Skywaves
• Space wave
• Modulation And Its Necessity
• Size of the antenna or aerial
• Effective power radiated by an antenna
• Mixing up of signals from different transmitters
• Amplitude Modulation
• Production Of Amplitude Modulated Wave
• Detection Of Amplitude Modulated Wave.

NCERT Solutions [Class 12] Physics Chapter 15 Communication System Download free pdf

Chapter 15 Communication System

#### Advantages of Solving Class 12 Physics NCERT Solutions

• NCERT Solutions provide a step-by-step explanation to every question given in the textbooks. It is one of the most valuable aids to students in their home assignments and exams as well.
• Solving these NCERT Solutions will help students clearing all their doubts.
• These NCERT Solutions are prepared as per the syllabus of the respective subject and thus, provide proper guidance with a thorough learning process.
• NCERT Solutions help in clearing the tough concepts as these NCERT Solutions are designed using proper explanations.
• To score optimum marks in the examination, the students need to practice these NCERT Solutions as it contains a variety of questions for practice purpose. This will help students to have an easy hand at the Erroneous Questions as well.
• While studying in CBSE Board Schools, students always get confused while choosing the right study material. Therefore, the best option is NCERT Solutions as it covers the whole CBSE Syllabus for [Class 12] Physics.
• NCERT Solutions give significant learning and also helps students to upgrade their skills.

#### Why prefer EDUGROSS for Class 12 Physics NCERT Solutions?

A lot of times students get stuck to a particular question. These solutions that we are providing here, at EDUGROSS, develop an interest in the students towards their studies. These solutions are designed by a group of experts so that every student can understand the concept in a simple way without further complications. Here, we provide you with the most reliable solutions.

Physics is one of those subjects which students find hard but here, at EDUGROSS, we provide you with the most accurate and easiest methods to solve various questions. Moreover, these solutions help students to develop their reasoning and logical skills. All study material here is completely based on the latest pattern and syllabus that is prescribed by the CBSE Board. All the basics of Class 12 Physics with exercises and solutions are thoroughly covered in the study material that is provided at EDUGROSS.

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