Subject: General Science
Book: NCERT Science Class 11
Physics explains natural phenomena using fundamental principles.
- **Branches of Physics**:
- Classical (Mechanics, Thermodynamics).
- Modern (Quantum Mechanics, Relativity).
- **Need for Measurement**:
- SI Units for standardization.
- Fundamental and Derived Quantities.
**Possible Exam Questions:**
1. What are the fundamental principles of physics?
2. Why is measurement important in physics?
3. Differentiate between fundamental and derived quantities.
4. What is the importance of SI units?
5. How does classical physics differ from modern physics?
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