National Science Day in India is celebrated every year to mark which of the following scientific discoveries?
- APhotoelectric Effect
- BTheory of Relativity
- CDNA Structure
- DRaman Effect
Solution & Step-by-step Explanation
National Science Day is celebrated in India on February 28 every year to commemorate the discovery of the 'Raman Effect' by the prominent Indian physicist Sir C.V. Raman on this day in 1928. For this discovery, he was awarded the Nobel Prize in Physics in 1930.