PM’s Mann Ki Baat Programme on All India Radio :- 25/02/2018
25 Feb, 2018 My dear countrymen, Namaskar. Let us begin today’s Mann Ki Baat with a phone call. Phone Call… Thank you very much for your phone call. My young friends have asked me many questions related to Science; they keep writing on quite a few points. All of us have seen that the sea appears blue, but we know from routine life experiences that water has no colour at all. Have we ever thought why water acquires colour in rivers and seas? The same thought occurred to a young man in the 1920s. The same question gave rise to a great scientist of modern India. When we talk about Science, the first name that strikes us is that of Bharat Ratna Sir C.V.Raman. He was awarded the Nobel Prize for his outstanding work on light scattering. One of his discoveries is famous as the Raman Effect. We celebrate the 28th of February as National Science Day since on this very day, he is said to have discovered the phenomenon of light scattering, for which the Nobel Prize was confer