A spherical hollow is made in a lead sphere of radius such that its surface touches the outside surface of lead sphere and passes through the centre. What is the shift in the centre of lead sphere as a result of this hollowing?

a) |
b) |
c) |
d) |

A spherical hollow is made in a lead sphere of radius such that its surface touches the outside surface of lead sphere and passes through the centre. What is the shift in the centre of lead sphere as a result of this hollowing?

a) |
b) |
c) |
d) |

1 Answer

127 votes

**(b)**

Let centre of mass of lead sphere after hollowing be at point where

Mass of spherical hollow and

shift

127 votes

127