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A heavy brass sphere is hung froma weigh...

A heavy brass sphere is hung froma weightless inelastic string and used as a simple pendulum. Its time period of osciallation is T. When the shere is immersed in a non-viscous liquid of density `(1)/(10)` that of brass. If acts as a simple perpendicular of period.

A

T

B

`(10)/(9)T`

C

` sqrt((9)/(10))T`

D

`sqrt((10)/(9))T`

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