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# Some Physicists and their contributions

Physicists outside India

• Galileo – (formulated the basic law of falling bodies, constructed a telescope and discovered four moons revolving around Jupiter)

Picture of Isaac Newton, Galileo Galilei and Albert Einstein

• Archimedes: Archimedes Principle and theory of floatation, Principle of levers)
• Albert Einstein: Theory of relativity, (Special and General)
• Isaac Newton: Laws of motion, The method of Calculus
• Michael Faraday: Electromagnetic induction, dynamo

Physicists from India

• CV Raman – (studied light scattering and discovered the Raman effect)
• JC Bose – (pioneered the investigation of radio and microwave optics)
• SN Bose –

(worked out statistical method of handling bosons)

• MN Saha – (best known for his development of the Saha equation, used to describe chemical and physical conditions in stars.)
• HJ Bhabha (initiated nuclear research programs in India; carried out experiments in cosmic rays; calculated cross section for elastic electron-positron scattering)
• Subramanyan Chandrasekhar:-

(won the 1983 Nobel Prize for Physics for key discoveries that led to the currently accepted theory on the later evolutionary stages of massive stars. The Chandrasekhar limit is named after him.)