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A uniform metal sphere of radius a and m...

A uniform metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of equal mass and redius 4a. The centre of the shell falls on the surface of the iner sphere

A

The gravitational field intensity at `P_(1)` is `(GM)/(16a^(2))`

B

The gravitational field intensity at `P_(2)` is `(61GM)/(900a^(2))`

C

The gravitational potential at `P_(1)=0`

D

The gravitational potential at `P_(2)=0`

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The correct Answer is:
A, B
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