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A hollow sphere is filled with water . I...

A hollow sphere is filled with water . It is hung by a long thread . As the water flows out of a hole at the bottom , the period of oscillation will

A

It will go on increasing till the sphere is empty

B

It will go on decreasing till the sphere is empty

C

It will not be affected at all

D

It will firstly increase, then decrease till the sphere is empty

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