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Question

There is a hole of area A at the bottom of cylindrical vessel. Water is filled up to a height h and water flows out in t second. If water is filled to a height 4h, it will flow out in time equal to


A

t

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B

4t

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C

2t

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D

t/4

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Solution

The correct option is C

2t


Time required to emptied the tank t=AA02Hg

t2t1=H2H1=4hh=2 t2=2t


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