Gravitation - Result Question 29

30. Which one of the following plots represents the variation of gravitational field on a particle with distance r due to a thin spherical shell of radius R ? ( r is measured from the centre of the spherical shell)

[2012M]

(a)

(b)

(c)

(d)

Show Answer

Answer:

Correct Answer: 30. (b)

Solution:

  1. (b) The Gravitational field due to a thin spherical shell of radius R at distance r.

E=GMr2( If r>R) For r=R i.e., on the surface of the shell

E=GMR2

For r<R i.e., inside the shell

E=0

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