Topic Details (Notes format)

Electromagnetic Waves

Subject: General Science

Book: NCERT Physics Class 12

Electromagnetic waves consist of oscillating electric and magnetic fields.
- **Maxwell’s Equations**:
- Describe electromagnetic wave propagation.
- **Electromagnetic Spectrum**:
- Radio waves to gamma rays.
- **Uses of EM Waves**:
- Applications in communication, medical imaging.

**Possible Exam Questions:**
1. Explain the properties of electromagnetic waves.
2. Derive the equation for the speed of EM waves in vacuum.
3. Discuss applications of microwaves and infrared waves.
4. What is the significance of Maxwell’s equations?
5. Compare X-rays and gamma rays in terms of energy and uses.

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