According to Manning's formula, the discharge through an open channel is (where M = Manning's
constant)
(A) A × M × m
1/2 × i2/3
(B) A × M × m
2/3 × i1/2
(C) A
1/2 × M
2/3 × m × i
(D) A
2/3 × M
1/3 × m ×
constant)
(A) A × M × m
1/2 × i2/3
(B) A × M × m
2/3 × i1/2
(C) A
1/2 × M
2/3 × m × i
(D) A
2/3 × M
1/3 × m ×