Question

If a1 and a2 are the cross-sectional areas of a tank and orifice, h the height of water level in tank above the centre of the orifice, the velocity of approach is given by


Options:
A .  `V = sqrt((2gh)/(1 - a_2^2// a_1^2))`
B .  `sqrt(1 - (a_2^2)/(a_1^2))`
C .  `V = sqrt((2gh)/(1 - a_1^2// a_1^2))`
D .  ` sqrt((2gh)/(1 - a_2^2// a_1^2))`
Answer: Option A


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