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Question

Water and mercury are filled in two cylindrical vessels up to same height. Both vessels have a hole in the wall near the bottom. The velocity of water and mercury coming out of the holes are v1 and v2 respectively.


A

v1 = v2.

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B

v1 = 13.6 v2.

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C

v1 = v2/13.6.

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D

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Solution

The correct option is A

v1 = v2.


As clear from the Torricelli's equation that speed of Efflux = 2gh

i.e., it is independent of density of liquid contained.

Therefore both will come out with same velocity.


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