Topic Details (Notes format)

Light

Subject: General Science

Book: NCERT Science Class 7

Light enables us to see objects and exhibits reflection and refraction.
- **Reflection of Light**:
- Light bounces off surfaces (Example: Mirror reflection).
- **Refraction of Light**:
- Light bends when passing through different mediums.
- Example: A pencil appears bent in water.
- **Formation of Shadows**:
- Opaque objects block light, forming shadows.

**Possible Exam Questions:**
1. What are the laws of reflection?
2. Explain refraction with examples.
3. How are shadows formed?
4. Why do mirrors produce clear images?
5. What is the difference between reflection and refraction?

Practice Questions

Which process separates light into its component colors?

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