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Water is coming out of a hole made in th...

Water is coming out of a hole made in the wall of a fresh water tank . If the size of he hole is increasesd, (i) will velocity of efflux of water change? (ii) will the volume of the water coming out per second change?

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(i) Velocity of efflux will remain same as it only depends upon the depth of orifice below the free surface of water.
(ii) volume will increases , since volume of the liquid flowing out per second is equal to product of area of hole and velocity of liquid flowing out.
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