# A hollow pendulum bob filled with water has a small hole at the bottom through which water escapes at a constant rate. Which of the following statements describes the variation of the time period (T) of the pendulum as the water flows out ?

T decreases first and then increases.

T increases first and then decreases.

T increases throughout.

T does not change.

Plz Choose the correct option and give reason.

T increases first and then decreases.

T increases throughout.

T does not change.

Plz Choose the correct option and give reason.

### Asked by banga71 | 22nd Oct, 2017, 12:21: PM

Expert Answer:

### Period of oscillation for pendulam is given by , where L is length of simple pendulam and g is acceleration due to gravity.
Hence period is independent of mass of pendulam. So the answer to the question is 'T does not change '

### Answered by | 23rd Oct, 2017, 10:34: AM

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