NCERT Solutions for Class 12 Physics

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1 NCERT Solutions for Class 12 Physics

NCERT Solutions for Class 12 Physics : There is one point in a student’s life that shapes his/her career. This point in most student’s life is standard 12. Class 12 gives students a unique opportunity to pursue something they are interested in, in the future. Thus, it is important to prepare well throughout the year. One such subject that becomes a needle in class 12 is physics. This subject has all the questions from theory to formulae. Thus, it becomes difficult for students to prepare this subject well. That is why we are helping you with NCERT solutions for class 12 physics. These NCERT solutions will help you get through your textbook with ease. You will find the solutions for the chapters given in the NCERT textbook in this article.

NCERT Solutions for Class 12 Physics

Physics is fundamental to learn the theoretical concepts as well use them in day to day life. The prescribed syllabus for NCERT textbook is covered entirely in this article. Thus, it provides an alternative and interesting view to learn. This will help in enhancing the abilities of the student and get ready for the JEE entrance exam. The best thing about NCERT solutions is it will provide you with detailed answers for all the questions. Thus, you can understand each answer step by step at your ease. Below is the overview of each chapter given in the textbook.

Class 12 Physics Chapter 1 Electric Charges and Field

This being the first chapter of NCERT textbook, talks about details and various types of electric charges. It also talks about Gauss’s law, additivity of charges, transference in electrons, charge quantization, conservation of charges, etc. A total of 15 topics are covered in this chapter for the understanding of students. You are also given a few exercises in this chapter so that you can practice well for the exams.

Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance

In the 2nd chapter of NCERT textbook, electrostatic potential and its various factors are mentioned. Along with this, the difference between the two electric fields is explained. Furthermore, the relationship between potential gradient and electric field, the amount of potential energy in an external field, and similar topics related to electrostatic potential are explained in the book. This chapter also has some formulas related to the electrostatic potential and exercises in the end for a better understanding of students.

Class 12 Physics Chapter 3 Current Electricity

This is considered as one of the most important topics of class 12. Thus, special attention needs to be given on this topic. A total of 16 topics are covered in this chapter where topics like current density, electric current are discussed. Furthermore, how the electric charge differs from liquid conductors to solid metallic conductors is discussed. There is also mention of Ohm’s law, drift velocity, the relationship between relaxation time and resistivity in this chapter.

Class 12 Physics Chapter 4 Moving Charge and Magnetism

This chapter is very important because many of the future learnings will have their base in this chapter. This chapter explains very well about what a magnetic force is and it’s motion in a magnetic field. A total of 11 topics are discussed in this chapter which talks about ampere’s circuital law and Biot-savarat’s law. It also introduces students to the toroid and the solenoid, motion in combined magnetic and electric fields, etc.

Class 12 Physics Chapter 5 Magnetism and Matter

This chapter expands on the talks about magnetism in the previous chapter. It delves deeper into the topic of magnetism and matter. The topics covered in this chapter are Gauss’s law and magnetism, a bar magnet, and earth’s Magnetism. A total of 7 topics are there in this chapter that also explains the magnetic properties of various materials and magnetic field lines properties. There is a table in this chapter that talks about electrostatic analog. For understanding and practice of this chapter, there are questions at the end.

Class 12 Physics Chapter 6 Electromagnetic Induction

After going into detail in magnetism, the sixth chapter of NCERT textbook talks about Electromagnetic induction. This chapter explains topics like electromotive force motions, magnetic flux, eddy currents, quantitative study on consideration of energy, and inductance. There are a total of 10 topics related to electromagnetic induction discussed in this chapter. This chapter introduces the first and second law of electromagnetic induction by Faraday. Furthermore, Fleming’s right-hand rule and Lenz’s law are also discussed in this chapter.

Class 12 Physics Chapter 7 Alternating Current

AC voltage applied in a resistor, AC voltage in a series LCR circuit, alternating current, a capacitor, etc is discussed in this chapter. Furthermore, it also discusses LC oscillations, power in the AC circuit, and transformers. A total number of 9 topics are discussed in this chapter. There are many questions at the end of the chapter for students to practice.

Class 12 Physics Chapter 8 Electromagnetic Waves

Three very important topics of physics are discussed in this chapter. They are electromagnetic waves, displacement current, and the electromagnetic spectrum. This chapter talks about the need for Maxwell’s equations in electromagnetic waves, displacement current, speed and nature of electromagnetic waves, various uses of electromagnetic waves in radio waves, microwaves, x-rays, etc. Furthermore, their wavelength range, frequency range, and detection channels are also discussed.

Class 12 Physics Chapter 9 Ray Optics and Optical Instruments

This chapter builds a foundation in ray optics and various instruments related to it. A total of 9 topics are there in this chapter to discuss on ray optics and various optical instruments. This includes total internal reflection, spherical mirrors, refraction, and refraction at surfaces by lenses.

Class 12 Physics Chapter 10 Wave Optics

After discussing on rays optics and it’s instrumented talks about wave optics at depth. Total of 7 topics in this chapter discusses Huygens principles, reflection, and refraction in plane waves, polarisation, diffraction, refraction, interference of light waves, incoherent and coherent addition of waves, and Young’s experiment. There are other important topics like the thin film used in cars, 3D glasses, etc which are also discussed in this chapter.

Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter

This chapter covers a total of 9 topics and 2 main arguments. This is what are the properties that radiation has and does these properties resemble a wave or a particle or both? The other topics discussed in this chapter are the photoelectric effect, electron emission, the wave theory of light, wave nature of matter, and Einstein’s photoelectric equation.

Class 12 Physics Chapter 12 Atoms

This chapter talks about atoms in detail and covers 6 topics in total. We know that all the organic as well inorganic objects are made up of Atoms. This chapter goes into detail in these objects and also covers other topics like Rutherford’s model of the atom, atomic spectra, Bohr’s model of the hydrogen atom, and the line spectra in the hydrogen atom.

Class 12 Physics Chapter 13 Nuclei

The next topic talks about the core of atoms that is nuclei. The initial topic in this chapter talks about the introduction of nuclei while the other topics discuss the composition of the nucleus. Besides this, there are also topics on the nuclear force, size of the nucleus, radioactivity, and nuclear energy. This chapter also talks about interaction and effect between nuclear energy and nuclei and how this can solve the energy crisis.

Class 12 Physics Chapter 14 Semiconductor Electronics Materials Devices and Simple Circuits

This chapter talks about all the types of insulators and semiconductors. A total of 11 topics are discussed in this chapter where the first topics include conductors, classification of metals, and semiconductors. This chapter also goes on to discuss the difference between the intrinsic semiconductor and extrinsic semiconductor, semiconductor diode, application of junction diode, etc.

Class 12 Physics Chapter 15 Communication Systems

This last chapter in NCERT textbook talks about communication systems and covers a total of 10 topics. There are generally three basic elements through which communication is possible. They are the channel, the transmitter, and the receiver. This chapter goes into detail in each of these elements. Furthermore, it also talks about the bandwidth of various transmission medium, the bandwidth of signals, amplitude modulation, the necessity of modulation, propagating electromagnetic waves, etc. There are also exercises for practice at the end of this chapter.

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NCERT Solutions for Class 12 Physics