The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

The critical depth for a channel is given by (where q = Unit discharge

1.	The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)
A.	q/g)1/2
B.	q²/g)1/3
C.	q³/g)1/4
D.	q⁴/g)1/5
Answer» C. q³/g)1/4