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Sir C. V. Raman discovered on 28 February 1928 that light changes its colour slightly when scattered by molecules — the Raman effect. He became the first Asian to win the Nobel Prize in Physics (1930). India celebrates 28 February as National Science Day.
Key contributions
- Discovered the Raman effect (1928), now used worldwide in chemistry, medicine and materials science
- Nobel Prize in Physics, 1930; Bharat Ratna, 1954
- Founded the Raman Research Institute, Bengaluru
- Studied the acoustics of Indian instruments like the mridangam and tabla