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A heavy brass-sphere is hung from a spri...

A heavy brass-sphere is hung from a sprial spring and it exectues vertical vibrations vibrations with period `T`. The ball is now immersed in nonvicous liquid with a density one-tenth that of brass. When set into verical vibrations with the sphere remaining inside liquid all the time, the period will be:-

A

`[9/10]T`

B

`Tsqrt(((10)/(9)))`

C

Uncharged

D

`Tsqrt(((9)/(10)))`

Text Solution

Verified by Experts

The correct Answer is:
B
Time period for spring block system is
`T = 2pisqrt((m)/(k))` does not effected.
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