Chapter 8: Electromagnetic Waves Class 12 Physics NCERT Solutions

Electromagnetic Waves form the foundation of modern communication and wireless technology. Chapter 8 of Class 12 Physics introduces students to the complete theory behind how electric and magnetic fields interact to create waves that propagate through space. This chapter also links closely with real-world applications, such as mobile networks, satellite communication, and the behavior of light.

To help students master this essential topic, we offer NCERT solutions for Class 12 Physics Chapter 8 – Electromagnetic Waves, created by experienced educators as per the latest CBSE guidelines for the 2023–24 session. Below, you will find all exercise questions solved in a step-by-step manner. You also have the option to download the solutions in PDF format for easier offline learning.

Chapter Summary – Electromagnetic Waves

This chapter provides a theoretical understanding of how time-varying electric and magnetic fields give rise to electromagnetic waves. Based on the unification of electricity and magnetism by James Clerk Maxwell, it forms the base for advanced studies in physics and engineering.

Key topics discussed include:

Displacement current and Ampere-Maxwell law
Maxwell’s equations in free space
Electromagnetic wave equation
Characteristics of electromagnetic waves
Speed of EM waves in a vacuum and various media
Electromagnetic spectrum and its different regions
Uses of different types of EM waves (radio, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays)

This chapter contains both theoretical concepts and real-life applications, making it important from a board exam and entrance exam perspective.

Why Use NCERT Solutions for Class 12 Physics Chapter 8?

Electromagnetic Waves is a concept-driven chapter with many abstract ideas. Understanding displacement current, field vector directions, and wave propagation requires conceptual clarity. Our NCERT solutions for Chapter 8 help students approach each question with clarity and confidence.

Here’s what makes these solutions useful:

Each solution is aligned with the official NCERT Class 12 Physics books
Answers are written in easy-to-understand language
Diagrams, derivations, and examples are thoroughly explained
Ideal for CBSE board preparation and competitive exams like JEE and NEET
Helps students build confidence in understanding EM theory and its applications

Whether you’re revising the chapter for your upcoming exams or building your basics for higher education, these solutions will serve as a strong guide.

Class 12 Physics Solutions Download PDF – Chapter 8

Students looking for flexibility in learning can download Class 12 Physics Chapter 8 solutions PDF. The downloadable version includes all solved questions and answers from the chapter, organized in the same sequence as the textbook.

You can use the PDF to revise at your own pace, whether you are online or offline. This feature is especially helpful during exam time when quick access to accurate answers becomes crucial.

What You’ll Learn from This Chapter

By the end of Chapter 8, you’ll be able to:

Understand how electromagnetic waves are generated and propagated
Learn the significance of Maxwell’s equations in unifying electric and magnetic phenomena
Explain the structure of the electromagnetic spectrum
Identify the uses and characteristics of each region of the spectrum
Derive the speed of light in vacuum using Maxwell’s theory

These learning outcomes are not only important for Class 12 board exams but also lay the groundwork for concepts in electronics, communication systems, and modern physics.

Explore Full NCERT Solutions for Chapter 8 Below

All the exercises from the Class 12 Physics Chapter 8 – Electromagnetic Waves NCERT textbook are solved and listed below. Whether it’s conceptual reasoning, derivation, or theory-based questions, you’ll find every answer presented with clarity and precision.

Solutions are prepared as per the CBSE marking scheme and updated to match the current academic curriculum.

Start exploring the solutions below or download the PDF to build a strong command over one of the most impactful chapters in physics.