136th Birth Anniversary of CV Raman

Recently the 136th birth anniversary of CV Raman was celebrated.

About CV Raman

• Birth: Chandrasekhar Venkata Raman was born in Tiruchirappalli, Madras Presidency on 7 November, 1888. 
• Education: He topped his undergraduate degree examination and won the gold medal in Physics at the University of Madras.
• He obtained his Masters degree with the highest distinction from University of Madras.
• Employment: He began his career as an Assistant Accountant General when he joined the Indian Finance Service in Kolkata.
• However, he continued doing research at IACS (Indian Association for the Cultivation of Science).
• Career Shift: He resigned from his government job in 1917 and accepted the offer of Palit Chair of Physics at Calcutta University.
• Appointment in IISc: He was appointed as the Director of the Indian Institute of Science (IISc) in Bangalore in 1933. He served at the IISc till his retirement in 1948.
• Awards Received:
  • Nobel Prize in Physics in 1930 for his work on the scattering of light and for the discovery of the Raman Effect.
  • Bharat Ratna in 1954
  • Also received several other awards including the Lenin Peace Prize and the Franklin Medal
  • Presented with the Hughes Medal in 1930
• In His Honour: National Science Day is celebrated every year to commemorate his discovery of the Raman Effect in 1928.
  • Raman Effect is a phenomenon when a stream of light passes through a liquid, a fraction of light scattered by liquid is of a different colour.

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About Raman Effect

• Refers to the phenomenon of a change in the wavelength of light as it is scattered by molecules, resulting in shifts in energy levels.
• The Raman Effect is the principle behind Raman Spectroscopy, which is used for molecular characterization and identification in various fields such as chemistry, biology, and materials science.
• C.V. Raman discovered the Raman Effect while studying the scattering of light in liquids, not solids, during his research in 1928.