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Question

Water flows into a large tank with flat bottom at the rate of 104m3s1. Water is also leaking out of a hole of area 1 cm2 at its bottom. If the height of the water in the tank remains steady, then this height is :

A
2.9 cm
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B
5.1 cm
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C
4 cm
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D
1.7 cm
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Solution

The correct option is A 2.9 cm

Since height of water column is constant

therefore, water inflow rate (Qin​) = water outflow rate

104=104v


104=1042gh

h=12g

h=12×9.8=5.1cm

Hence option B is correct

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