Two small orifices A and B of dia. 1 cm and 2 cm respectively, are placed on the sides of a tank at depths of h1 and h2 below the open liquid surface. If discharges through A and B are equal, then the ratio of h1 and h2 (assuming equal cd values) will be
1
16 : 1
2
8 : 1
3
4 : 1
4
2 : 1