The expression for co-efficient of velocity as per the figure given below will be?
1
\(\frac{2x}{\sqrt{yH}}\)
2
\(\frac{2x}{\sqrt{2yH}}\)
3
\(\frac{x}{2\sqrt{yH}}\)
4
\(\frac{x}{\sqrt{2yH}}\)
The expression for co-efficient of velocity as per the figure given below will be?