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A squre hole of side length l is made at...

A squre hole of side length l is made at a depth of h and a circular hole is made at a depht of 4 h from the surface of water in a water tank kept on a horizontal surface (where l ltlt h). Find the radius r of the circular hole if equal amount of water comes out of the vessel through the holes per second.

A

` l//sqrt(2)`

B

`l//2`

C

`l/sqrt(pi)`

D

`l//sqrt(2pi)`

Text Solution

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The correct Answer is:
D
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