The losses due to sudden contraction are expressed by

A] $$\frac{V_1^2 - V_2^2}{2g}$$ B] $$\frac{V_2^2 - V_1^2}{2g}$$ C] $$\frac{(V_1 - V_2)^2}{g}$$  D] $$\frac{(V_1 - V_2)^2}{2g}$$

A

A Only

B

B Only

C

C Only

D

None of these