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      Question

      National Science Day is observed on 28th February to

      mark the discovery of:
      A crescograph by Sir J C Bose Correct Answer Incorrect Answer
      B Raman effect by Sir C V Raman Correct Answer Incorrect Answer
      C Nucleotides by Har Govind Khurana Correct Answer Incorrect Answer
      D Water in moon by ISRO's mission Correct Answer Incorrect Answer
      E None of the above. Correct Answer Incorrect Answer

      Solution

      Ans- B, National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928. He was conferred the Nobel Prize in Physics in 1930.

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