Question: The discharge through a large rectangular orifice is given by (where H 1 = Height of the liquid above the top of the orifice, H 2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and C d = Coefficient of discharge)

Options

A : Q = C d x b 2 g ( H 2 - H 1 )

B : Q = C d x b 2 g ( H 2 1/2 - H 1 1/2 )

C : Q = C d x b 2 g ( H 2 3/2 - H 1 3/2 )

D : Q = C d x b 2 g ( H 2 2 - H 1 2 )

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