Question

A simple pendulum has a hollow sphere containing mercury suspended by means of a wire. If a little mercury is drained off, the period of the pendulum will

Answer 1

Answer:

A simple pendulum is made up of a bob, which is a hollow sphere containing mercury suspended by means of a wire. ... Now as mercury is drained, the CM of Bob will go down and from the formula T= 2π√(L/g) , Time period will be increase as length is increasing.