Gravitational Wave Observations

What is Raychaudhuri Equation?

Note4Students

From UPSC perspective, the following things are important :

Prelims level : Raychaudhuri Equation

Mains level : Not Much

The Raychaudhuri Equation in General Relativity, derived by Raychaudhuri is in the spotlight after 2020 Physics Nobel was awarded to Penrose for throwing light on Black Holes.

Try this MCQ:

Q.The Raychaudhuri Equation is sometimes seen in news is related to:

Artificial Intelligence/Cloud Computing/Quantum Mechanics/Space Sciences

What is Raychaudhuri Equation?

  • Raychaudhuri (1923–2005) was an Indian physicist, known for his research in general relativity and cosmology.
  • In general relativity, the Raychaudhuri equation is a fundamental result describing the motion of nearby bits of matter.
  • It was discovered independently by the Indian physicist Amal Kumar Raychaudhuri and the Soviet physicist Lev Landau.
  • The equation offers a simple and general validation of our intuitive expectation that gravitation should be a universal attractive force between any two bits of mass-energy in general relativity, as it is in Newton’s theory of gravitation.
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