Question

A simple pendulum has a bob made of solid sphere of steel. If we
replace it with a hollow sphere of same mass and same material,
the time period will?​

Answer 1

is wuwueb. eieirhr rueiebr ueueje. eueuehr in with tiwiebr. eiirht eieirjrb

Answer 2

Explanation:

When a solid sphere is replaced by hollow sphere of same material and same mass, the size of hollow sphere should be bigger, i.e. it's effective length increases and hence the time period.