Chandrasekhara Venkata Raman
Chandrasekhara Venkata Raman was born at Thiruchirapalli
in Tamilnadu on 7th November, 1888. His father
Mr.R.Chandrasekara Iyer was a teacher. Venkata Raman had his school education
at Vizagapatnam, as his father worked as a lecturer in Physics at that place.
He completed his B.A., degree with distinction in Presidency College, Chennai
in 1904. Venkata Raman continued his post-graduation in the same college and
passed the M.A., degree examination in January 1907 securing a first class and
obtaining record marks in his subjects.
Raman appeared for the finance examination in
February 1907 and again secured the first place. He began his life as an
Assistant Accountant General in Calcutta in June 1907. Eventhough, Raman worked
as an officer in finance department, he spent the morning and evening hours,
out of office hours in Physics laboratories. He converted a part of his house
as a laboratory and worked with improvised apparatus. Raman left Government
Service in July 1917 and joined as a Professor of Physics in the University of
Calcutta. The British Government knighted him in 1929 as 'Sir,' but he did not
like the use of 'Sir' before his name.
The discovery of the Raman effect was not an
accident, but was the result of prolonged and patient research extending over a
period of nearly seven years. These researches began in the summer of 1921.
When, during the voyage made on the occasion of his first visit to Europe,
Raman's attention was attracted to the beautiful blue colour exhibited by the
water of the deep sea. On his return to India, he started a series of
experimental and theoretical studies on scattering of light by the molecules of
transparent media such as air, water or ice and quartz. The experiment of
Professor Raman revealed that the scattered light is different from the
incident light. This led to the discovery of a new effect. For his
investigation on the scattering of light and the discovery of the effect known
after him, Raman effect, Nobel Prize was awarded to Raman on 10th December,
1930.
Sir. C.V. Raman joined the Indian Institute of
Science and Technology, Bangalore as its first Indian director in 1933. He
established a research laboratory known as Raman Institute in 1943. He
continued his research, until death put a full stop to his activities at the
age of 82.
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