A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is Options: A . &nbsp14π R1/2/15Cd × a √(2g) B . &nbsp14π R3/2/15Cd × a √(2g) C . &nbsp14π R5/2/15Cd × a √(2g) D . &nbsp14π R7/2/15Cd × a √(2g)

A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at

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