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 organ in the human body produces bile?

View Question

Which element has the highest electrical conductivity?

View Question

What is the chemical symbol for the element iron?

View Question

Which process converts glucose into energy in the human body?

View Question

What is the function of platelets in the human body?

View Question

Which organ is responsible for filtering blood in the human body?

View Question

Which type of bond is present in sodium chloride?

View Question

What is the approximate age of the Earth?

View Question

Which is the smallest bone in the human body?

View Question

Which gas is commonly used in balloons to make them float?

View Question