National Science Day

February 28th is celebrated as the National Science Day throughout the country to commemorate the announcement of the discovery of the ‘Raman Effect’.

  • The National Science Day marks the discovery of which phenomenon?

February 28th, celebrated as National Science Day, marks the announcement of the discovery of the Raman Effect. It is the phenomenon by which the wavelength of incident radiations change when scattered by molecules. This effect is specific to the molecules that scatter it.

  • Who discovered this phenomenon?

The Raman Effect was discovered by Sir C V Raman in 1928. He was awarded the Nobel Prize for Physics in 1930 for this. This research was conducted by him in Kolkata’s IACS (Indian Association for Cultivation of Science).

  • What is an International Historic Chemical Landmark?

The Raman Effect was designated as an International Historic Chemical Landmark by the American Chemical Society (ACS) and also by the IACS. ACS designates such discoveries as IHCL to commemorate chemists and chemistry that have had major impact on chemistry in USA.

  • What is the theme of 2020 National Science Day?

The 2020 National Science Day was celebrated on the theme of ‘Women in Science’. The Indian President conferred awards to women scientists in recognition of their achievements in research and application of technology for societal benefits. 5 women are to be conferred 2 awards: SERB Women excellence awards and National Award for Young Woman Showing Excellence through Application of Technology for Societal Benefits.


Leave a Reply