Rubik’s Cube Mosaic of Sir C.V. Raman Rubik’s Cube Mosaic of Sir C.V. Raman for National Science Day 2019 Some facts to know About Sir Chandrashekhara Venkata Raman (7 November 1888 – 21 November 1970) was anIndian Tamil physicist born in the former Madras Province in India. Work He discovered that when light traverses a transparent material,some of the deflected light changes wavelength and amplitude. This phenomenon, subsequentlyknown as Raman scattering, results from the Raman effect. National Science Day Every year National Science Day is celebrated on 28th February to mark the discovery of RamanEffect by Sir Chandrashekhara Venkata Raman on the same day in the year 1928, for which hewas awarded the Nobel Prize in Physics in 1930.