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Posted 01 Mar 2025

1 min read

Image of Chandrasekhara Venkata Raman.

National Science Day is celebrated to commemorate the discovery of the ‘Raman Effect’ by him.

  • Raman effect: When light hits a material, it interacts with its molecules and exchanges energy. As a result, some scattered light changes wavelength and color.
    • Example: Blue color of oceans (due to sunlight scattering off water molecules) and blue sky (due to sunlight scattering off air molecules).

About Chandrasekhara Venkata Raman (1888-1970)

  • Birth: At Tiruchirappalli, Tamil Nadu. 
  • Founded:  Indian Journal of Physics, Indian Academy of Sciences

Awards: 

  • Given Knighted (1929)
  • Won Nobel Prize in Physics in 1930 (for Raman Effect) 
  • Awarded Bharat Ratna in 1954.

Values: Scientific rigour, Fortitude, Excellence, Curiosity, etc.

  • Tags :
  • Bharat Ratna
  • C.V. Raman
  • Raman effect:
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