The discharge over a shape edge triangular notch having included angle of 2\theta and the depth of h is given by formula

A

$$\frac{2}{3} C_{d} \sqrt{2g} \tan \theta h^{\frac{3}{2}}$$

B

$$\frac{8}{15} C_{d} \sqrt{2g} \tan \theta h^{\frac{3}{2}}$$

C

$$\frac{2}{3} C_{d} \sqrt{2g} \tan \theta h^{\frac{5}{2}}$$

D

$$\frac{8}{15} C_{d} \sqrt{2g} \tan \theta h^{\frac{5}{2}}$$