Raychaudhuri Equation

  • IASbaba
  • October 12, 2020
  • 0
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Raychaudhuri Equation

Part of: GS Prelims and GS-III – Science & Technology

In news

  • Recently, Kolkata-born physicist Amal Kumar Raychaudhuri was in news when British physicist Dr Roger Penrose was awarded half the Nobel Prize in Physics 2020 for his work on black holes. 

Key takeaways

  • The Raychaudhuri Equation in General Relativity was derived by Raychaudhuri.
  • It is a fundamental result in general relativity which describes how nearby bits of matter move.
  • The Equation was discovered independently by Raychaudhuri and Soviet physicist Lev Landau as a simple, general validation of the expectation that gravitation is a universal force that attracts objects with mass and energy (and Newton’s theory of gravitation).
  • The Raychaudhuri Equation continues to be a key tool in investigating the behaviour of black hole horizons in modern physics.

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