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India Celebrates February 28 every year as 'National Science Day' because on this day
  • a)
    first Indian Space craft was launched
  • b)
    Nehru laid the foundation of Science labs all over India
  • c)
    in 1928 C.V. Raman discovered what was later called the 'Raman Effect'
  • d)
    Vikram Sarabhai was born
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
India Celebrates February 28 every year as 'National Science Day' beca...
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. For his discovery, Sir C.V. Raman was awarded the Nobel Prize in Physics in 1930.
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India Celebrates February 28 every year as 'National Science Day' beca...
Explanation:

National Science Day is celebrated on February 28 every year in India to commemorate the discovery of the Raman Effect by the Indian physicist Sir Chandrasekhara Venkata Raman, also known as C.V. Raman.

What is Raman Effect?

The Raman Effect is a phenomenon in which light gets scattered when it passes through a transparent medium. The scattered light changes its wavelength, and this change in wavelength is proportional to the energy of the molecular vibrations in the medium. C.V. Raman discovered this effect on February 28, 1928, while he was working at the Indian Association for the Cultivation of Science in Kolkata.

Significance of Raman Effect:

The discovery of the Raman Effect was a significant moment in the history of physics, as it provided a new way to study the molecular structure of materials. It also led to the development of the field of Raman spectroscopy, which is widely used today in many areas of science and technology.

Why February 28 is celebrated as National Science Day?

In 1986, the Indian government declared February 28 as National Science Day to honor the discovery of the Raman Effect and to promote scientific temper in the country. On this day, various science exhibitions, competitions, and seminars are organized across the country to create awareness about the importance of science and its application in everyday life.

Conclusion:

In conclusion, National Science Day is celebrated in India on February 28 every year to commemorate the discovery of the Raman Effect by C.V. Raman. This day is an important occasion to promote scientific temper and to create awareness about the importance of science in our lives.
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India Celebrates February 28 every year as 'National Science Day' because on this daya)first Indian Space craft was launchedb)Nehru laid the foundation of Science labs all over Indiac)in 1928 C.V. Raman discovered what was later called the 'Raman Effect'd)Vikram Sarabhai was bornCorrect answer is option 'C'. Can you explain this answer?
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