Very Short Question Answers

Q1. What is physics?

Ans. The study of the basic laws of the nature and their manifestation in different natural phenomena is defined as physics.

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Q2. What is the discovery of C.V. Raman?

Ans. Raman effect : inelastic scattering of light by molecules

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Q3. What are the fundamental forces in Nature?

Ans. The fundamental forces in nature are

1. Gravitational force 
2. Electromagnetic force
3. Weak nuclear force
4. Strong nuclear force

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Q4. Which of the following has Symmetry?(a) Acceleration due to Gravity(b) Law of Gravitation

Ans. Law of gravitation has symmetry.

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Q5. What is the contribution of S. Chandrasekhar to Physics?

Ans. Chandra Sekhar limit, Structure and evolution of stars.

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