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

What is the chemical symbol for the element iron?

View Question

What is the largest organ in the human body?

View Question

Which scientist is known for the laws of motion?

View Question

Which element is the most abundant in the Earth’s crust?

View Question

Which law states that energy cannot be created or destroyed?

View Question

What is the most common state of matter in the universe?

View Question

What is the term for an organism that can make its own food?

View Question

What is the most abundant gas in the Sun?

View Question

What type of macromolecule is an enzyme?

View Question

Which type of bond is present in sodium chloride?

View Question