Examveda
Examveda

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

A. $${\left( {\frac{{\text{q}}}{{\text{g}}}} \right)^{\frac{1}{2}}}$$

B. $${\left( {\frac{{{{\text{q}}^2}}}{{\text{g}}}} \right)^{\frac{1}{3}}}$$

C. $${\left( {\frac{{{{\text{q}}^3}}}{{\text{g}}}} \right)^{\frac{1}{4}}}$$

D. $${\left( {\frac{{{{\text{q}}^4}}}{{\text{g}}}} \right)^{\frac{1}{5}}}$$

Answer: Option B


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