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A spherical cavity is made in a lead sph...

A spherical cavity is made in a lead sphere of radius R such that its surface touches the outsides surface of lead sphere and passes through the centre. The shift in the centre of mass of the lead sphere as a result of this following, is

A

`(R)/(7)`

B

`(R)/(14)`

C

`(R)/(2)`

D

R

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The correct Answer is:
B
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