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# NCERT Exemplar Class 12 Physics Solutions

NCERT Exemplar Solutions for Class 12 Physics are designed to help you perform well in the CBSE Board Class 12 exam. In Class 12 Physics, there are a total of 15 chapters along with a model question paper and its answers at the end of the textbook. They provide details about many topics like electric charges and fields, electrical current, moving charges, magnetism and matter alternating current, direct current, atoms, nuclei, electrons, semiconductors, etc.

NCERT Exemplar Class 12 Physics Solutions will help you solve any type of problem in the exam. NCERT Exemplar Solutions for CBSE Class 12 Physics provide several sets of high-level questions for your practice to ace any level of difficult problems by thoroughly understanding the basic concepts.

CBSE Class 12 students always have pressure on their minds about their career and their admissions to the best college. It is a milestone for all the students who want to achieve their goals. We understand the situation and hence provide you with the best NCERT Exemplar Class 12 Solution for Physics problems. If you are appearing for board exams, JEE Main, JEE Advanced, NEET, or other competitive exams, we suggest you to go through these Solutions for your preparation.

Class 12

## NCERT Exemplar Class 12 Physics Chapter 1: Electric Charge and Fields

Chapter 1 of Class 12 Electric Charges and Fields explains the various terms and concepts related to Electric Charging and related experiments, Properties of Insulators, Electric Charging Properties. You will also learn the Derivation of Coulomb’s Law, and solve Exemplar Problems related to Law, Statement of Gauss’s law, its application, Electric field, flux, etc.

Total number of Questions: This chapter has a total of 31 exemplar problems  with a variety of questions for the clarity of the concepts. You will find the numerical problems for derivations of laws.

## NCERT Exemplar Class 12 Physics Chapter 2: Electrostatic Potential and Capacitance

Chapter 2 of class 12 Electrostatic Potential and Capacitance details about Electrostatic potential and its derivations, Potential energy (PE) –of an external field, of two charges, PE -single charge, in the external area, Capacitance meaning, exemplary problems, and various derivations, VDG generator, definitions, and rules.

The total number of Questions: This chapter has 33 exemplar problems. It has 16 important units for your practice.  For best of your clarity, go through all the Solutions given by Instasolv for all the chapters of class 12 physics.

## NCERT Exemplar Class 12 Physics Chapter 3: Current Electricity

Current Electricity chapter of NCERT Exemplar Class 12 Physics book has some important laws and concepts such as Ohm’s law, it’s applications and various rules, Electric current and various numerical based problems. You will also learn about Kirchhoff’s law, Wheatstone bridge and use of Kirchhoff law, Resistivity and Numerical based on electric energy, diagrams of circuits, and its derivations.

The total number of Questions: This chapter has a total of 31 exemplar problems. It has 16 important units.you will find many numerical problems related to electric current  with the help of diagrams.

## NCERT Exemplar Class 12 Physics Chapter 4: Moving Charges and Magnetism

Chapter 4 moving charges and magnetism explains the basic concepts about the Magnetic field and force, Galvanometer, its description, and usage, Toroids and solenoids, etc. The chapter is very important from a board exam point of view. Thus complete understanding of each concept is very crucial.

The total number of Questions: This chapter has 29 exemplar problems . .

## NCERT Exemplar Class 12 Physics Chapter 5: Magnetism and Matter

Chapter 5 has given the Introduction to magnetism, Formulas, and problems related to the bar magnet and dipole, Gauss’s law ‘s statement and origin, and numerical based questions on Magnetic intensity, Properties of the material.

The total number of Questions: Chapter 5 has 6 important units, having 25 numerical problems and MCQs helping you to prepare for the final examinations.

## NCERT Exemplar Class 12 Physics Chapter 6: Electromagnetic Induction

This chapter has explained the terms such as Magnetism and electricity, Meaning and formula of magnetic flux, Use of energy and Lenz law. We will also learn the formula for Lenz Law, Eddy currents, the quantitative study of energy, types of inductance, Generator (alternate current).

The total number of Questions:  Chapter 6 has 10 major units and it has 32 exemplar problems for your practice.

## NCERT Exemplar Class 12 Physics Chapter 7: Alternating Current

Class 12 Physics Alternating Current chapter is based on the use of the alternate current and its applications in TV, fans, any kitchen appliance, cell of the batteries, etc.

The total number of Questions: This chapter has 31 important exemplar problems. Solving the questions will help you know more about the AC and DC , all the questions are explained with the help of diagrams .

## NCERT Exemplar Class 12 Physics Chapter 8: Electromagnetic Waves

Class 12 Physics Electromagnetic Waves chapter involves the discussion about electromagnetic waves and their different types. There are different types of Electromagnetic Waves such as Radio waves, Microwaves, Infrared waves, Visible rays, Ultraviolet rays, X-rays and Gamma rays. In this chapter, we will study how waves communicate, how they travel, their application and the properties of Electromagnetic Waves (EM) Waves.

The total number of Questions: This chapter has 32 different exemplar problems based on electromagnetic waves, numerical problems, etc.

## NCERT Exemplar Class 12 Physics Chapter 9: Rays optics and Optical instruments

Rays Optics and Optical Instruments is an important chapter explaining the concepts such as Incident ray, Refraction, and reflection, Laws of refraction and reflection, Types of mirrors, Types of focus areas, etc.

The total number of Questions: Chapter 9 has 32 NCERT Exemplar problems diagrammatically represented numerical problems along with the important discussion on the above topics.

## NCERT Exemplar Class 12 Physics Chapter 10: Wave optics

Chapter 10 of NCERT Exemplar Class 12 Physics is an important chapter regarding the Wave Optics and it explains the importance of concepts like how to Connect to polarization, Reflection and refraction concepts, The effect of Doppler and its importance, Diffraction, Huygens principle, and its application.

The total number of Questions: Wave Optics chapter has 23 exemplar problems, numerical illustrations based on various important topics discussed above.

## NCERT Exemplar Class 12 Physics Chapter 11: Dual nature of matter and radiation

Chapter 11 of class 12 physics explains the theory of Matter, wave, and particle, application of Germer experiment, Davisson experiment, Photoelectric effect. In this chapter we will also learn about 3 types of electron emission; thermionic, field, and photoelectric emission. We will understand various applications of each emission in detail. Through various experiments such as Davisson and Germer Experiment, we will deeply study Dual Nature of Radiation and Matter.

The total number of Questions: This chapter has 29 important exemplar problems.

## NCERT Exemplar Class 12 Physics Chapter 12: Atoms

Atoms  chapter of NCERT Exemplar Physics Class 12th is a very important chapter of explaining the Definition and concept of atoms, Different parts of an atom, Neutron, proton, electron and its concepts, Ion concept.

The total number of Questions: This chapter of atoms has 29 exemplar problems for your good practice.

## NCERT Exemplar Class 12 Physics Chapter 13: Nuclei

A nucleus is made up of protons, neutrons with the center of atom in it .Chapter 13 Nuclei is an important chapter of class 12 which briefly explains Introduction to Nuclei, Composition, size and atomic mass of the nucleus, Radioactive concept, Fusion and fission concept, Nuclear force.

The total number of Questions: Nuclei chapter has important 26 exemplar problems.

## NCERT Exemplar Class 12 Physics Chapter 14: Semiconductor Electronics

Semiconductor Electronics explains to you the Definition of Semiconductor Electronics, Digital Electronics, Junction Diode, Semiconductors, and Logic Gates. In Chapter 14 you will also study deeply about P-n junction, n-type and p-type semiconductors. We will deeply analyse various Doping tests in Semiconductor Electronics. Further, we will also learn about various Logic Gates, namely- AND gate, OR gate, NOT gate, NAND gate, NOR gate.

The total number of Questions: This chapter has 40 problems. These questions will help you clear your concepts regarding semiconductor electronics.

## NCERT Exemplar Class 12 Physics Chapter 15: Communication Systems

Communication Systems explain concepts such as Introduction and elements of communication, Signals Bandwidth, Necessity of modulation, Amplitude modulated wave, Propagation of waves.

The total number of Questions: Chapter 15 has 30 problems based on the above topics.

### Why use NCERT Exemplar Class 12 Solutions for Physics by Instasolv?

• Solutions of NCERT Exemplar Class 12 Physics problems are a must for the exams. They are purposely designed to help you solve your doubts.
• Our Solutions for NCERT Exemplar problems are available online at no cost. It’s a great learning platform for all those who cannot afford the expensive coaching classes.
• Our study resources will help you manage your time while preparing for exams. You will be able to answer all kinds of questions in the exams with confidence.