Period of a pendulum whose bob slowly leaks liquid

1. A.
   is a constant.
2. B.
   decreases with time.
3. C.
   increases with time.
4. D.
   first increases and then decreases, finally having same value as at the beginning.

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1. A.
   decrease continuously until the sphere is empty.
2. B.
   first increase and then decrease to the original value.
3. C.
   remain constant throughout.
4. D.
   increase continuously until the sphere is empty.

Tap an option to check your answer.