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A cylindrical of wood (density = 600 kg ...

A cylindrical of wood (density `= 600 kg m^(-3)`) of base area `30 cm^(2)` and height `54 cm`, floats in a liquid of density `900 kg^(-3)` The block is deapressed slightly and then released. The time period of the resulting oscillations of the block would be equal to that of a simple pendulum of length (nearly) :

A

52 cm

B

65 cm

C

39 cm

D

26 cm

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