Water in a tank is filled to a depth H whose side walls are vertical. A hole is made on one of the walls at a depth h below the free surface of water. If R is the distance at which the stream strikes the ground, then
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a
R=2h(H−h)
b
R=2hH
c
R=2H(H−h)
d
R=2h(H−h)
answer is D.
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Detailed Solution
Velocity of efflux at depth h below free surface. v=2gh (In horizontal direction) time taken by liquid to fall from (H–h) height under gravity t=2(H−h)ghorizontal distance R = vt.⇒R=2gh×2(H−h)g⇒R=2h(H−h)