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 gas is released during photosynthesis?

View Question

What type of bond is formed by sharing electrons between atoms?

View Question

Which of the following is a fundamental force in nature?

View Question

What is the unit of force in the SI system?

View Question

What is the approximate age of the Earth?

View Question

Which planet has the strongest gravitational force?

View Question

What type of energy is stored in a stretched rubber band?

View Question

What is the SI unit of temperature?

View Question

What is the chemical symbol for the element iron?

View Question

What is the term for water changing from liquid to gas?

View Question