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A tall vertical cylinder filled with water is kept on a horizontal table top. Two small holes A and B are made on the wall of the cylinder, A near the middle and B just below the free surface of water. State and explain your observation
Let the column be of height H.Let h1 and h2 be the distance of B and A from the top(or free surface) of water column.So as B is just below the free surface so h1 is very small or almost zero.As A is in the middle of the column so h2=H/2.Then we know velocity of effluxv=root(2gh)Let v1 is the velocity of liquid coming out through hole B.So v1=root(2gh1) which very small or almost zero.If v2 is the velocity of efflux through A thenv2=root(2gh2)=root(2gH/2).This is obviously greater than v1.This is our 1st observation.Our second observation is the range is maximum for efflux through A as h=H/2.Means water coming out through A will fall far away from the cylinder than water from B.If it helps please approve.
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