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A solid cube of side L and density sigma...

A solid cube of side `L` and density `sigma` floats on the surface of a liquid of density `rho`. If the cube is slightly pushed downward, then it oscillates simple harmonically with a period of

A

`2pi(rhoL//sigmag)^(1//2)`

B

`2pi(sigmaL//rhog)^(1//2)`

C

`1//2pi(rhoL//sigmag)^(1//2)`

D

`1//2pi(sigmaL//rhog)^(1//2)`

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The correct Answer is:
B
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