India observes National Science Day on 28 February every year. Which Nobel laureate and which discovery does this date commemorate?
- Homi Bhabha — nuclear fission research at BARC
- Jagadish Chandra Bose — discovery of radio waves in India
- C.V. Raman — the Raman Effect, observed 28 February 1928
- Satyendra Nath Bose — Bose-Einstein statistics
Answer: C.V. Raman — the Raman Effect, observed on 28 February 1928
C.V. Raman first documented the inelastic scattering of light (the Raman Effect) on 28 February 1928 at the Indian Association for the Cultivation of Science, Calcutta. India declared 28 February as National Science Day in 1987 to mark this discovery. Raman received the Nobel Prize in Physics in 1930.