If q is the discharge per unit width of a channel and D1 D2 are the depths of water before and after hydraulic jump, the following relationship is true

• A. <img src="/_files/images/civil-engineering/irrigation/20-15-92-1.png">
• B. <img src="/_files/images/civil-engineering/irrigation/20-15-92-2.png">
• C. <img src="/_files/images/civil-engineering/irrigation/20-15-92-3.png">
• D. <img src="/_files/images/civil-engineering/irrigation/20-15-92-4.png">