Calculate the deflection of light caused by the gravity of a star of mass 5Msun and radius 1.3RSun.

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Calculate the deflection of light caused by the gravity of a star of mass 5Msun and
radius 1.3RSun.
Transcribed Image Text:Calculate the deflection of light caused by the gravity of a star of mass 5Msun and radius 1.3RSun.
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Concept and Principle:
  • As per the general theory of relativity, a large gravitational source will bend the space around it. When a photon passes through this gravitational field it will lose energy.

 

  • This will shift the path causing a deflection.

 

  • The amount of deflection caused will be given by,

θ=2GMRc2

Here G is the universal gravitational constant, M is the mass of the source, R is its radius, and c is the speed of light.

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