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A block of volume V and density sigma(b)...

A block of volume `V` and density `sigma_(b)` is placed in liquid of density `sigma_(1)(sigma_(1) gt sigma_(b))`, then block is moved upward upto a height `h` and it is still in liquid. The increase in gravitational energy of the block is :

A

`sigma_(b) Vgh`

B

`(sigma_(b) + sigma_(l)) Vgh`

C

`(sigma_(b) - sigma_(l)) Vgh`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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