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A block of rectangular size of mass m an...

A block of rectangular size of mass m and area of cross section A, float in a liquid of density `rho`.If we give a small vertical displacement from equilibrium, It undergoes SHM with time period T, then

A

`T^(2)prop(1)m

B

`T^(2)prop rho`

C

`T^(2) prop m^(-1)`

D

`T^(2) prop (1)/(A^(-2)`

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The correct Answer is:
A
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