Topic Details (Notes format)

Ray Optics

Subject: General Science

Book: NCERT Physics Class 12

Ray optics explains light behavior using straight-line propagation.
- **Reflection & Refraction**:
- Laws and their applications.
- **Total Internal Reflection**:
- Optical fibers and mirages.
- **Lens and Mirror Formula**:
- Calculation of focal length.

**Possible Exam Questions:**
1. Derive the lens maker’s formula.
2. Explain the principle of total internal reflection.
3. What are the differences between concave and convex mirrors?
4. How does a simple microscope work?
5. Derive the mirror equation.

Practice Questions

What is the chemical formula of methane?

View Question

What is the primary function of red blood cells (RBCs) in the human body?

View Question

What is the chemical formula of water?

View Question

What is the pH of pure water at 25°C?

View Question

Which organelle is known as the "powerhouse of the cell"?

View Question

Which law states that energy cannot be created or destroyed?

View Question

Which organ stores and releases glucose in the human body?

View Question

Which vitamin is essential for calcium absorption?

View Question

Which gas is used in the process of welding?

View Question

Which element has the highest electrical conductivity?

View Question