Time of flow from one tank in which water level is $$h_1$$ to another tank having level $$h_2$$ will be proportional to
A] $$h_1 - h_1$$ B] $$\sqrt{h_1 - h_2}$$ C] $$\sqrt{h_1} - \sqrt{h_2}$$ D] $$h_1^{\frac{3}{2}} - h_2^{\frac{3}{2}}$$

A

Only A

B

Only B

C

Only C

D

Only D