NCERT Solutions for Class 12 Physics: Hey! Are you stuck somewhere while solving questions of NCERT class 12 physics? You will get all the NCERT solutions for class 12 physics here. Some of the topics on which you will be introduced to are electrostatics, magnetism, ray and wave optics, and modern physics although the concepts of 11th class will be needed to solve some questions. Hence it is advisable to revise the previous class by solving a few questions. In case you find some difficulties then, you can go through NCERT solutions for class 11 physics. If you want to score good marks in CBSE class 12 physics board exams or competitive exams like JEE, NEET, VITEEE, KVPY, etc then you must go through the concepts present in the solutions and ask your doubts immediately. You can also study NCERT solutions for other classes and subjects.
NCERT book for class 12 physics is divided into two parts. The first part consists of 8 chapters and the second part of NCERT class 12 physics has 6 chapters. At the end of each chapter, there are exercise questions. You will get CBSE NCERT solutions for class 12 physics which are prepared in a very comprehensive manner by respective subject experts. After reading the chapter of NCERT physics for class 12 you must try to solve the questions given at the end of the chapter to test how much you have understood from the chapter. Also if you are appearing for JEE or NEET then you should also give a try to additional exercises. These additional exercises will check your concepts. If you have any doubt in your solution you can refer NCERT solutions for class 12 physics provided here. You can access all the free solutions by clicking on the chapter name for which you want the solutions below.
CBSE NCERT solutions for class 12 physics chapter 1 Electric Charges And Fields: You must have seen a spark or have heard a crackle when you take off your synthetic or woolen clothes mainly in dry weather. Do you know why this happens? Well, this happens due to the discharge of electric charges from our body or in scientific words, this happens due to the generation of static electricity. The first chapter of NCERT class 12 talks about the charges at rest, their properties, the force experienced by a charge and the electric field due to different system of charges. This chapter has 24 questions and 10 additional questions hence a total of 34 questions. You will find the solutions of NCERT class 12 physics here.
Solutions of NCERT class 12 physics chapter 2 Electrostatic Potential And Capacitance: This chapter is the continuation of physics NCERT class 12 chapter 1. This chapter has mainly two concepts that are the potential due to charges and capacitance. If you remember concepts of mechanics then you can relate the concepts of this chapter to mechanics, like potential energy is equivalent to electric potential energy, mechanical dipole is equivalent to electric dipole, etc. This chapter has 11 questions and 26 additional questions, hence a total of 37 questions. Find all the solutions to these questions here for free.
NCERT solutions for class 12 physics chapter 3 Current Electricity: Chapter 3 of class 12 physics has 13 questions and 11 additional questions and you will find NCERT solutions for class 12 physics chapter 3 here. The chapter basically deals with the steady motion of charges and moves on to the study of the rate of motion of charge, Ohm’s law and Kirchoff’s law. The chapter also introduces the concept of certain measuring instruments like Wheatstone bridge, potentiometer, ammeter, and voltmeter.
CBSE NCERT solutions for class 12 physics chapter 4 Moving Charges And Magnetism: The moving charge under a magnetic field can produce a force. This NCERT class 12 chapter 4 talks about moving current-carrying conductors in a magnetic field and about the magnetic effects produced by these conductors. You will basically find how a charged particle or current-carrying wire behaves in the presence of a magnetic field. You will also get to know how can current produce a magnetic field. The chapter has 13 questions and 15 additional questions. Click on the link above to get the solutions.
Solutions of NCERT class 12 physics chapter 5 Magnetism And Matter: This chapter talks about earth's magnetism and magnetic materials and their properties. The earth behaves as a magnet with a magnetic field pointing from south to north. This chapter also tells about the properties of bar magnets. The chapter has 15 questions and 10 additional questions. You will find all the solutions of NCERT class 12 physics chapter 5 here. You can also download the solutions for offline use.
NCERT solutions for class 12 physics chapter 6 Electromagnetic Induction: In NCERT class 12 chapter 4 it is mentioned that a current-carrying conductor in a magnetic field can produce a force. Whereas in the chapter Electromagnetic Induction we study about a moving conductor in a magnetic field that can produce a current. This principle is used in AC (Alternating Current) generators and the term AC is studied in detail in the next chapter. The chapter has a total of 17 questions out of which 10 questions are from the exercise and 7 are additional questions. You can download all the solutions here.
CBSE NCERT solutions for class 12 physics chapter 7 Alternating Current: Do you know why most of the devices require AC voltages rather than DC voltages. The reasons for preferring AC over DC are mainly the easiness of converting one type of voltage into another (higher voltage to lower or vice-versa) via use of transformers. Also, the energy losses are less in AC as compared to DC. The NCERT solutions for class 12 physics chapter 7 introduces the concept of alternating current and various circuit elements. It also introduces the concept of single-phase transformers. The chapter has 11 questions and 15 additional questions.
Solutions of NCERT class 12 physics chapter 8 Electromagnetic Waves: The last chapter of class 12 physics NCERT book part 1 has 10 questions and 5 additional questions and you will find all the solutions by clicking the chapter link. The chapter introduces some modifications in some laws studied in previous chapters and introduces the electro-magnetic properties of light. All these 8 chapters of NCERT class 12 physics Part 1 are related to each other.
NCERT solutions for class 12 physics chapter 9 Ray Optics And Optical Instruments: The chapter 9 of physics NCERT book for class 12 introduces the concept of reflection, refraction, and dispersion of light considering light as a ray. You will get to know how different reflecting surfaces (plane, convex or concave mirrors, etc) and refracting surfaces ( convex or concave lens) form images of the different objects. This chapter is really very important for boards as well as exam perspective, hence you should solve each and every question carefully. The chapter has 38 questions in total.
CBSE NCERT solutions for class 12 physics chapter 10 Wave Optics: This chapter of NCERT class 12 explains refraction and reflection by considering light as a wave. Also, the chapter wave optics introduces the concept of interference, diffraction, and polarization of light. The chapter has 10 questions and 11 additional questions. You will get the solutions to all your questions by clicking the chapter link above.
Solutions of NCERT class 12 physics chapter 11 Dual Nature Of Radiation And Matter: The chapter 11 of physics NCERT book talks about the dual nature of radiation and matter, it explains the photoelectric effect and what are effects of intensity of light and potential on the photoelectric current. The photoelectric effect is the evidence of the particle nature of radiation and the phenomena like interference, diffraction, and polarization indicate about wave nature of matter and radiation. The chapter has a total of 37 questions out of which 19 questions are exercise questions and 18 are additional questions.
NCERT solutions for class 12 physics chapter 12 Atoms: Chapter 12 of class 12 physics has a total of 17 questions and you will find all the solutions of NCERT class 12 physics chapter 12 here. Chapter 12 introduces different models of the atom and their merits and demerits, it also discusses different line spectrum series of the Hydrogen atom, frequency, wavelength, and energy of atoms.
CBSE NCERT solutions for class 12 physics chapter 13 Nuclei: After reading chapter 12 Atoms you will now read about the nuclei of atoms. You will find out what are the components of nuclei and their size, mass and stability. The chapter 13 Nuclei of physics NCERT book of class 12 introduces the concept of the nucleus, nuclear decay, nuclear fission and fusion, etc. You will be amazed to know that about 99.9% mass of an atom resides in its nucleus. The chapter has 22 questions and 9 additional questions and you will find step-by-step solutions here.
Solutions of NCERT class 12 physics chapter 14 Semiconductor Electronics: Materials, Devices, And Simple Circuits: The 14th chapter of NCERT class 12 physics book mainly talks about semiconductors, and what are their uses. This chapter will also introduce you to basic and important devices that use semiconductors for their functionality, for example, a diode or a transistor. Semiconductors are very important because smart devices like smartphones, LED TVs and many other gadgets are nearly impossible to build without using semiconductors. The chapter has 11 questions and 8 additional questions and you can find all the solutions of this chapter in a very comprehensive manner here.
As the solutions are presented in a very comprehensive manner they will also help in writing the solutions in the exam because writing solutions is also a very important skill.
It gives you in-depth knowledge of the concepts and chapters also these will help you in various competitive exams.
These NCERT solutions for class 12 physics are very helpful to score good marks in the exams.
In solutions of NCERT for class 12 physics, logical approach and methodology are used to develop your logical thinking which is needed not only for physics but to study every subject.
Happy learning !!!
22. The wires which connect the battery of an automobile to its starting motor carry a current of 300 A (for a short time). What is the force per unit length between the wires if they are 70 cm long and 1.5 cm apart? Is the force attractive or repulsive?
Q7.17 Keeping the source frequency equal to the resonating frequency of the series circuit, if the three elements, , and are arranged in parallel, show that the total current in the parallel circuit is minimum at this frequency. Obtain the current rms value in each branch of the circuit for the elements and source specified in Exercise 7.11 for this frequency.
The earth’s magnetic field varies from point to point in space. Does it also change with time? If so, on what time scale does it change appreciably?
Where to download NCERT Solutions for all class 12 Physics
NCERT solutions are mandatory resource if you are preparing for CBSE board exams and competitive exams like JEE/NEET etc. NCERT questions gives better conceptual clarity. Complete solution of NCERT for all classes are mentioned in this link https://learn.careers360.com/ncert/ncert-solutions/ . Here we can find solutions for class 12 Physics also.
Are the NCERT questions asked in the JEE for Physics?
Yes, some times same questions given in NCERT exercise are asked in JEE Main. But we will get many similar type of questions explained in the NCERT book. NCERT is the basic book for clearing JEE Main.