NCERT Solutions for Class 12 Physics in PDF form updated for 2023.

NCERT Solutions for Class 12 Physics in PDF format is available for free download updated for new academic session 2023 based on latest NCERT Books for all boards who are following CBSE Syllabus.Visit to discussion forum to ask your doubts.

CBSE Solutions Apps as well as NCERT Solutions and their answers, solutions of additional exercises, intext questions, back exercises questions with assignments from popular books like S L Arora, Concepts of Physics by H C Verma, Pradeep’s fundamental physics, A B C Physics, Arihant publications books, Full Marks question bank etc.

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NCERT Solutions For Class 12 Physics

Class:12
Subject:Physics
Contents:NCERT Solutions
NCERT Solutions For Class 12 Physics

Class 12 Physics NCERT Solutions Free PDF Download

Chapter 1 Electric Charges And Fields
Chapter 2 Electrostatic Potential And Capacitance
Chapter 3 Current Electricity
Chapter 4 Moving Charges And Magnetism
Chapter 5 Magnetism And Matter
Chapter 6 Electromagnetic Induction
Chapter 7 Alternating Current
Chapter 8 Electromagnetic Waves
Chapter 9 Ray Optics And Optical Instruments
Chapter 10 Wave Optics
Chapter 11 Dual Nature Of Radiation And Matter
Chapter 12 – Atoms
Chapter 13 – Nuclei
Chapter 14 – Semiconductor Electronics: Materials, Devices And Simple Circuits
Chapter 15 – Communication Systems
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NCERT Solutions For Class 12 Physics In English

NCERT Solutions Class 12 Physics PDF Free Download
NCERT Solutions Class 12 Physics PDF Free Download

Looking for the most accurate and precise NCERT solutions for class 12 physics, then you have landed on the right page. The basics of physics are being taught in school from the standard NCERT text books. National Council of Education, research and training is responsible of designing and  publishing of the text books.

The syllabus is prescribed is set by the CBSE and has been included in curriculum by all CBSE and state board schools. Physics is purely a concept based form of science. If your fundamentals are not clear, then you may not be able to fetch good marks in exams.

NCERT Solutions for Class 12

NCERT Solutions for Class 12 Maths, Phy, Chem, Bio with study material and notes for revision are given below. You can also download contents for Business studies, P. E. and English in PDF.

ABOUT LESSON

Chapter 1: Electric Charges And Fields

This chapter introduces the basic ideas of electric charges and fields. Students learn about Coulomb’s law and how charges combine in electric fields.

Chapter 2: Electrostatic Potential And Capacitance

In this chapter, students study electrostatic potential, capacitance, and how these concepts apply to electrical circuits and energy storage.

Chapter 3: Current Electricity

Current Electricity focuses on the flow of electric charge in wires. Topics include Ohm’s rule, electrical resistance, and circuits.

Chapter 4: Moving Charges And Magnetism

This chapter looks into the link between moving charges and magnetic fields, introducing students to electromagnetic induction.

Chapter 5: Magnetism And Matter

Here, students study the features of magnets and magnetic elements, including ferromagnetism, paramagnetism, and diamagnetism.

Chapter 6: Electromagnetic Induction

Electromagnetic Induction covers Faraday’s law and its uses, including generators and transformers.

Chapter 7: Alternating Current

This chapter covers alternating current (AC) circuits, resistance, and the science behind AC circuits.

Chapter 8: Electromagnetic Waves

Students are exposed to electromagnetic waves, their features, and different uses.

Chapter 9: Ray Optics And Optical Instruments

Ray Optics focuses on the behavior of light rays, including reflection, refraction, and optical tools like lenses and mirrors.

Chapter 10: Wave Optics

Wave Optics looks into the wave structure of light, interference, diffraction, and polarization phenomena.

Chapter 11: Dual Nature Of Radiation And Matter

This chapter discusses the dual nature of particles and waves, as well as topics connected to the photoelectric effect.

Chapter 12: Atoms

Students learn the structure of atoms, including Bohr’s model and the electronic makeup of elements.

Chapter 13: Nuclei

Nuclei examines the nature of atomic nuclei, radioactivity, and nuclear processes.

Chapter 14: Semiconductor Electronics: Materials, Devices And Simple Circuits

Semiconductor Electronics covers semiconductor materials, diodes, transistors, and their uses in electrical devices.

Chapter 15: Communication Systems

The final chapter works on the basics of communication systems, including modulation and demodulation methods.

FAQ

Guess a possible reason why water has a much greater dielectric constant (80) than say, mica (6).

Water has an unsymmetrical space as compared to mica. Since it has a permanent dipole moment, it has a greater dielectric constant than mica.

A steady current flows in a metallic conductor of non-uniform cross- section. Which of these quantities is constant along the conductor: current, current density, electric field, drift speed?

When a steady current flows in a metallic conductor of non-uniform cross-section, the current flowing through the conductor is constant. Current density, electric field, and drift speed are inversely proportional to the area of cross-section. Therefore, they are not constant.

A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30º with the direction of a uniform horizontal magnetic field of magnitude 0.80 T. What is the magnitude of torque experienced by the coil?

Length of a side of the square coil, l = 10 cm = 0.1 m
Current flowing in the coil, I = 12 A
Number of turns on the coil, n = 20
Angle made by the plane of the coil with magnetic field, θ = 30°
Strength of magnetic field, B = 0.80 T
Magnitude of the magnetic torque experienced by the coil in the magnetic field is given by the relation,
τ = n BIA sinθ
Where, A = Area of the square coil
= l × l = 0.1 × 0.1
= 0.01 m2
So,
τ = 20 × 0.8 × 12 × 0.01 × sin30°
= 0.96 N m
Hence, the magnitude of the torque experienced by the coil is 0.96 N m.

Earth’s magnetic field changes with time. It takes a few hundred years to change by an appreciable amount. The variation in earth’s magnetic field with the time cannot be neglected.

Earth’s magnetic field changes with time. It takes a few hundred years to change by an appreciable amount. The variation in earth’s magnetic field with the time cannot be neglected.

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