The bob of a simple pendulum is a spherical hollow ball

Last updated: 6/30/2023

The bob of a simple pendulum is a spherical hollow ball filled with water A plugged hole near the bottom of the oscillating bob gets suddenly unplugged During observation till water is coming out the time period of oscillation would a first decrease and then increase to the original value b first increase and then decrease to the original value c increase towards a saturation value d remain unchanged