A simple pendulum has a bob which is a h...

A simple pendulum has a bob which is a hollow sphere full of sand and oscillated with certain period. If all that sand is drained out through a hole at its bottom, then its period
(a) increases
(b) decreases
( c) remains same
(d) is zero.

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A simple pendulum has a bob which is a hollow sphere full of sand and oscillated with certain period. If all that sand is drained out through a hole at its bottom, then its period (a) increases (b) decreases ( c) remains same (d) is zero.

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A simple pendulum has a bob which is a hollow sphere full of sand and oscillated with certain period. If all that sand is drained out through a hole at its bottom, then its period
(a) increases
(b) decreases
( c) remains same
(d) is zero.