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.
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