A particle of mass M is situated at the centre of spherical shell of same mass and radius a. The magnitude of the gravitational potential at a point situated at a/2 distance from the centre, will be
A
a2GM
B
a3GM
C
a4GM
D
aGM
Medium
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Updated on : 2022-09-05
Solution
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Correct option is B)
Step 1 - Drawing free body diagram
Step 2 - Net gravitational potential at point P is given by
Vp=(Potential due to sphere)+(Potential due to particle)
As we know that Gravitational potential due to point mass=rGM