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A simple pendulum with a metallic bob ha...

A simple pendulum with a metallic bob has a time period T.The bob is now immersed in a non-viscous liquid and oscillated . If the density of the liquid is `(1)/(4)` that of metal , what will be the time period of the same pendulum?
Hint `:` If the solid bob of the pendulum has relative density D and has been submerged in in a non-viscous liquid of relative density `rho` then effective acceleration due to gravity `g' = g-(g)/(n) ` where `n = (D)/( rho)`

A

`(T)/(sqrt3)`

B

`(2T)/(sqrt3)`

C

`(4)/(3)T`

D

`(2)/(3)T`

Text Solution

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The correct Answer is:
B
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