GravitationHard
Question
A particle of mass M is situated at the centre of a spherical shell of the same mass and radius a. The magnitude of the gravitational potential at a point situated at a/2 distance from the centre, will be
Options
A.
B.
C.
D.
Solution
Here,
Mass of a particle = M
Mass of a spherical shell = M
Radius of a spherical shell = a
Let O be centre of spherical shell
Gravitational potential at point P due to particle at O is
Gravitational potential at point P due to spherical shell at O is
Hence, total gravitiational potential at point P is
V = V1 + V2
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