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Discover the fascinating life of Sir C. V. Raman, the Nobel laureate in physics, from his humble beginnings in a village near Tiruchirapalli to his groundbreaking discovery of the Raman Effect. Learn about his childhood, education, research on acoustics, and his significant contributions to the field of physics. Follow his journey from his early years to becoming the director of the Indian Institute of Science in Bangalore. This detailed biography sheds light on the remarkable life and achievements of one of India's greatest physicists.
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BIOGRAPHY Sir C. V. Raman By Nimmi Ouseph
Story begins in a village near Tiruchirapalli Born on 8 Nov.1888 Second child of R.Chandrasekhara Iyer & Parvathi Ammal Family moved to Vishakhapatnam when he was 4 years old. Childhood & Family details….
About Raman’s father…. • Father was a lecturer in Mrs.A.V.Narasimha Rao College,Visakhapatanam. • He taught Physics, Mathematics & physical geography • Father was athletic man & took active interest in sports
Raman – A great reader • Voracious reader • He felt the books were like old friends • He was mainly influenced by 3 books • Light of Asia by Edwin Arnold • The Elements of Euclid by Helmholtz • The Sensations of Tone by Helmholtz
Raman’s primary education…. • Completed schooling by 11 years • Spent two years of studying in his father’s college.
Encourage by teachers…. • Teachers suggested him to prepare for ICSexam. • ICSwas a prestigious exam in those days to Indian students. • He attended a medical examination before the qualifying exam • Unfortunately he was disqualified by Civil surgeon of Madrasas he was unfit to travel to England. • This was only exam he failed in his career • He felt grateful to the man who (Civil surgeon of Madras)disqualified him
IACS…. • Raman spotted IACS(Indian Association for the Cultivation of Science) sign board and joined. • Performed the legendary experiments on light.
Research begins…. • He was communicated with physicists around the world • His papers published in international journals • Gave lectures in Calcutta on his experiments • He was Introduced live demonstrations in Science.
Raman @ waves and sound • He was fascinated by waves and sound, and seem to have carried in his mind the memory of reading Helmholtz’s book in his school days. • He was decisive to study musical instruments. • Explained the working of Ektara EKTARA
A Scientist thought on violin player… • Mechanical violin player did not resemble the instrument which we know • It had all the essential features of the violin • Stretched string-resonant box-the bow-stroke length by adjusting the mechanical wheel. • This was first mechanical violin for research • He brought all essential parts from a cycle shop to make mechanical violin.
Research on acoustics continue….. • He continued his research on acoustics • Besides the violin, he studied the Veena, Tambura, Mridangam, Tabla and others… Veena Tambura Mridangam Tabla
Raman @ around 1917…. • Got chance to move into a full-fledged career in physics around 1917 • Ashutosh Mookerjee(Vice – chancellor of Calcutta university) offered him as a Palit Professor of physics. • Raman had to give up his job and higher income • Problem he had to overcome • “A person who is applying must have foreign experience” • The rule was dismissed • Became an active member in university activities
University Congress at Oxford • In 1921 he was given honorary doctorate from Calcutta University • Went overseas for the first time • Visit to University Congress at Oxford • During his voyage back to India he spent hours watching the sea from the deck of his ship. • Struck by its colour
Raman’s discovery…. • Water molecule could scatter light just like air molecules • His thought was a radical in those days. • In 1922 he wrote a brilliant essay ‘The Molecular Diffraction of Light’ • He said light may exist in quanta, that is, as mass less particles of energy.
K.R.Ramanathan finding the phenomenon in 1923 • Raman’s hunch • His direction towards finding evidence for the corpuscular theory of light. • Discovery of the Compton effect in 1923 • Raman’s hunch was proved right • K.R.Ramanathan spotted the phenomenon. • They named the phenomenon as ‘feeble fluorescence’.
Raman @ Nobel • Raman effect took his team 4 more years • They were confident in 1927 • Discovery on 28th February…. • The famous Raman effect….the light can undergo a scattering through a liquid resulting in a change in its frequency…. • The date is celebrated as National Science Day • Booked tickets to Europe • He had to wait 2 years • Received Nobel Prize for Physics in 1930 • When he thought of India as a British colony he wept.
Raman @IIS • Took up directorship of Indian Institute of Science@ Bangalore • He stayed there until he retired in 1948 • Equal time to research and organisational work • Nurtured many good students • Never had a temptation leaving the country for a better life…….
Raman from 1946 to 1970….. • Devoted final years to set up of the Raman Research Institute in Bangalore….. • Running of the Indian Academy of Science. • Edited Current Science & proceedings of the Academy journals… • Died on 21 November,1970 • Funeral at the institute campus itself. • A solitary tree is located……
