The head loss due to sudden expansion assuming incompressible flow is expressed by

A

$$\frac{V_1^2 - V_2^3}{2}$$

B

$$\frac{V_2^2 - V_1^3}{2}$$

C

$$\frac{(V_1 - V_2)^2}{g}$$

D

$$\frac{(V_1 - V_2)^2}{2g}$$