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Two concentric spherical shells A and B ...

Two concentric spherical shells `A` and `B` of radii `R` and `2R` and mases `4M`, and `M`, respectively are placed in space as shown in Fig. The gravitational potential at `P` at a disatnce `r(R lt r lt 2R)`from the centre of shells is

A

`-(4GM)/R`

B

`-(9GM)/(2R)`

C

`-(4GM)/(3R)`

D

`-(19GM)/(6R)`

Text Solution

Verified by Experts

The correct Answer is:
D
`V=(-G(4M))/(3/2R)-(GM)/(2R)`
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