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# NCERT Solutions for Class 12 Physics

NCERT Solutions for Class 12 Physics will assist you in getting a firm hold on all the concepts and fundamentals that have been introduced in CBSE Class 12 Physics book. The solved exercises in the NCERT Solutions will help you get an idea of the manner in which you are supposed to frame the answers which you will encounter in CBSE 12th exam.

Some of the essential chapters of NCERT Class 12 Physics Textbook are – electrostatic potential, alternative currents, electromagnetic waves, wave optics, atoms etc. You can easily access the solutions for these chapters on Instasolv. The solutions for Class 12 NCERT Physics have been formulated by experts who have a remarkable amount of experience in the field.

The NCERT Solutions for Class 12 are in accordance with the latest CBSE and NCERT pattern. Practicing NCERT Solutions for CBSE Class 12th Physics will also help you prepare the basics for entrance exams like JEE, NEET and BITSAT. Altogether, we aim at ensuring that you understand the chapters well and at the same time develop an engaging and comfortable learning experience.

Class 12

## NCERT Solutions for Class 12 Physics Chapter 1 – Electric Charges

This chapter 1 of Class 12th NCERT Physics book deals with the fundamentals of conductors, insulators, electric field, electric flux etc. this chapter will introduce you to the concepts of quantization of charges, electric dipole, semiconductors and point charges. There are theory based explanations, diagrams and numerical problems included in the chapter.

Number of Questions – The chapter contains the solutions of one exercise and the total number of questions in the chapter are thirty three. All of these test your analytical skills and use the formulas that have been included in the chapter.

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

The chapter 2 deals with topics like spherical capacitors, capacitance, potential, parallel plate capacitors and electric quadruples. The chapter will also cover equipotential surfaces, electrostatic dipole, system charges, through theoretical explanations, figurative representation, mathematical derivations and formulas.

Number of Questions – The chapter contains complete NCERT solutions of one exercise i.e. exercise 2 and the total number of questions in the Electrostatic Potential and Capacitance chapter are thirty four. These questions utilise all the theories that have been included in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 3 – Current Electricity

The chapter 3 of NCERT 12th Class Physics book includes topics like resistance, wheatstone bridge, potentiometer, circuit diagrams, potential difference etc. In this chapter you will also learn about the concepts of Ohm’s Law, Mobility, Parallel and series combination of resistors along with their diagrams and numerical problems.

Number of questions – The chapter contains free solutions of one exercise i.e. exercise 3 and the total number of questions in the chapter are twenty four. All these questions revolve around the fundamentals that have been tackled in the chapter.

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

In chapter 4 you will learn about torques, uniform magnetic field, and specific charge, magnitude of the magnetic field and the direction of magnetic field. The chapter also has derivations and numerical based on these topics.

Number of Questions – The chapter 4 of CBSE NCERT 12th Physics book contains one exercise i.e. exercise 4 and the total number of questions in the chapter are twenty eight. These questions include numericals which work on the mathematical equations which you will learn in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 5 – Magnetism And Matter

The chapter 5 deals with topics like angle of dip, geomagnetism, magnetic moment, dipole, earth’s magnetism etc. topics like magnetic permittivity, magnetic permeability and magnetic field have also been dealt in the chapter.

Number of Questions – The chapter of NCERT Physics of 12th Class textbook contains one exercise i.e. exercise 5 and the total number of questions in the chapter are twenty four. These questions tackle the core concepts of the chapter.

## NCERT Solutions for Class 12 Physics Chapter 6 – Electromagnetic Induction

The chapter 6 of NCERT Class 12 Physics book consists of topics like angular frequency, induced current, direction of induced current, angular momentum, and magnetic field strength. There are numerous different kinds of exercises which test your analytical and reasoning skills in the course of finding their solutions.

Number of Questions – The chapter contains one exercise i.e. exercise 6 and the total number of questions in the chapter are seventeen. These questions include numericals which work on the mathematical equations which you will learn in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 7 – Alternating current (AC)

The chapter 7 of NCERT Physics book class 12th consists of topics like rms voltage, impedance of coil, peak voltage, rms voltage, time lag, RC circuit etc.  you will also learn about alternating current voltage, resonance, and the principles of alternating current applied to inductors and capacitors.

Number of Questions – The chapter 7 contains one exercise i.e. exercise 7 and the total number of questions in the chapter are twenty six. These questions make use of concepts which you will learn in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 8 – Electromagnetic Waves

This chapter deals with fundamentals like electromagnetism, electromagnetic waves, electromagnetic spectrum  and the bandwidth and frequency related to each of them.

Number of Questions – The chapter contains one exercise i.e. exercise 8 and 15 questions. These revolve around the basics that have been included in the chapter, in the form of theory and numericals.

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

The chapter 9 of the NCERT Physics book consists of topics like reflection, refraction, rules related to reflection of light, the particle model of light, spherical mirrors and their types, etc. in a detailed manner. The chapter has numerical based questions, observation based problems and few theoretical questions.

Number of Questions – The detailed NCERT solutions of Class 12th Physics contains one exercise i.e. exercise 9 and  the total number of questions in the chapter are thirty eight.

## NCERT Solutions for Class 12 Physics Chapter 10 – Wave Optics

Topics like angle of diffraction, Young’s double slit experiment, frequency of refracted light, wavelength, Huygens Principle, polarization of light etc. have been covered in the chapter. The chapter also includes diagrammatic explanations, theoretical portions and mathematical representation of these topics.

Number of Questions – The solution of chapter 10 contains one exercise i.e. exercise 10 and the total number of questions in the chapter are twenty one. All these questions involve the concepts which are dealt in the chapter in detail.

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

The chapter 11 of CBSE Class 12th Physics Textbook contains topics like De Broglie wavelength, Planck’s constant, Monochromatic light, photoelectrons, photoelectric cut off voltage, work function etc. Emission of electrons, methods of electronic emission etc have also been studied in the chapter in detail.

Number of Questions – The chapter contains solutions of one exercise i.e. exercise 11and the total number of questions in the chapter are thirty four. All the questions deal with the concepts that have been tackled in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 12 – Atoms

The chapter 12 of NCERT Class 12th Physics covers various topics like Balmer series, Lyman series, Brackett series, Neil Bohr’s atomic model, Rutherford’s scattering experiment etc. Fundamentals of atomic spectra, different frequency series, Neil Bohr’s atomic model of hydrogen atom have also been explained in the chapter.

Number of Questions – The solutions of NCERT Class 12th Physics tom chapter contains one exercise i.e. exercise 12 and the total number of questions in the chapter are seventeen questions.

## NCERT Solutions for Class 12 Physics Chapter 13 – Nuclei

The chapter includes topics like atomic mass, neutron and nucleus, radioactivity and different kinds of decays in the chapter.

Number of Questions – Chapter 13 Nuclei contains one exercise i.e. exercise 13 and the total number of questions in the chapter are twenty four.

## NCERT Solutions for Class 12 Physics Chapter 14 – Semiconductor Electronic: Material, Devices And Simple Circuits

The chapter of NCERT book of CBSE Class 12th Physics consists of topics like intrinsic semiconductors, extrinsic semiconductors, diodes, junctions formats, P – N junction etc.

Number of Questions – The chapter 14 contains one exercise i.e. exercise 14 and the total number of questions in the chapter 14 are nineteen. All of them tackle the major concepts that have been dealt in the chapter.

## NCERT Solutions for Class 12 Physics Chapter 15 – Communication System

This is the easiest chapter in terms of the numerical and complexity of theory that you will encounter in your entire syllabus. It deals with the various components of the communication system like the transmitter, the signal, the amplifier, the receiver etc.

Number of Questions – The NCERT solutions of the chapter 15 contains one exercise i.e. exercise 15 and the total questions in the chapter are eight.

### Benefits of NCERT Solutions for Physics Class 12 by Instasolv

1. Effective results – With our student friendly study material, we have ensured that all your doubts are resolved at a single platform. This will help you save time from struggling in the midst of various sources and will help you invest your time in a stress free, easy and productive learning.
2. Give your marks a boost – We have ensured that all our solutions help you in forming a strong command on the fundamentals of the chapter. With a good practice and thorough understanding, nothing can stop you from scoring high marks and taking your academic performance to an entire different level.

Free of cost – Our NCERT solutions are absolutely easy to access and are free of cost. So refer to them whenever you want and solve all your doubts immediately.