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Reynold's Number

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Question

Figure shows two shells of masses $m_{1}$ and $m_{2}$ . The shells are concentric. At which point, a particle of mass $m$ shall experience zero force?

A

A

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B

B

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C

C

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D

D

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Solution

The correct option is D $D$
There is No gravitational field inside a spherical shell.The gravitational field intensity at a point inside the spherical shell is zero.so,At D point, a particle of mass m shall experience zero force.

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