sir C.V Raman Biography in Telugu
sir C.V Raman Biography in Telugu
Sir Chandrashekhara Venkata Raman was an Indian physicist born in the former Madras Province in India (presently the state of Tamil Nadu), who carried out ground-breaking work in the field of light scattering, which earned him the 1930 Nobel Prize for Physics. He discovered that when light traverses a transparent material, some of the deflected light changes wavelength and amplitude. This phenomenon, subsequently known as Raman scattering, results from the Raman effect. In 1954, the Indian government honoured him with India's highest civilian award, the Bharat Ratna
Early life and education
C. V. Raman was born in a family to Chandrashekaran Ramanathan Iyer and Parvathi Ammal. Raman’s family were Brahmins. Raman's father was a lecturer who taught mathematics and physics in Mrs A.V. Narasimha Rao College, Visakhapatnam (then Vishakapatnam) in the Indian state of Andhra Pradesh, and later joined Presidency College in Madras (now Chennai).
He was born in Trichy, Tamil Nadu. Raman was the second child of his parents, Chandrasekhar and Parvati Ammal and Raman was born in Tiruvanaikkaval, at his maternal grandfather's house. At an early age, Raman moved to the city of Visakhapatnam and studied at St Aloysius Anglo-Indian High School. Raman passed his matriculation examination at the age of 11 and he passed his F.A. examination (equivalent to today's Intermediate exam, PUCPDC and +2) with a scholarship at the age of 13.
In 1902, Raman joined Presidency College in Madras where his father was a lecturer in mathematics and physics.In 1904 he passed his Bachelor of Arts examination of University of Madras. He stood first and won the gold medal in physics. In 1907 he gained his Master of Sciences degree with the highest distinctions from University of Madras
In the year 1917, Raman resigned from his government service after he was appointed the first Palit Professor of Physics at the University of Calcutta. At the same time, he continued doing research at the Indian Association for the Cultivation of Science (IACS), Calcutta, where he became the Honorary Secretary. Raman used to refer to this period as the golden era of his career. Many students gathered around him at the IACS and the University of Calcutta. In 1926 Prof. Raman established the Indian Journal of Physics and he was the first editor. The second volume of the Journal published his famous article "A New Radiation", reporting the discovery of the Raman Effect.
Raman was married on 6 May 1907 to Lokasundari Ammal (1892–1980). They had two sons, Chandrashekhar and radio-astronomer Radhakrishnan.
Raman was the paternal uncle of Subrahmanyan Chandrasekhar, who later won the Nobel Prize in Physics (1983) for his discovery of the Chandrasekhar limit in 1931 and for his subsequent work on the nuclear reactions necessary for stellar evolution
The Nobel Prize
In the past, several questions were raised about Raman not sharing the Prize with the Russian scientists G.S. Landsberg and L.I. Mandelstam, who had observed the same effect in the case of crystals. According to the Physics Nobel Committee: (1) The Russians did not come to an independent interpretation of their discovery as they cited Raman's article. (2) They observed the effect only in crystals, whereas Raman and K.S. Krishnan in solids, liquids and gases.
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