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The discharge through a rectangular notch is given by

AQ= 2/3 Cd Ch^(5/2 )

BQ= 2/3Cd LH^(3/2)

CQ=8/15 Cd LH^(5/2)

DQ= 8/15Cd LH ^(3/2)

Answer:

B. Q= 2/3Cd LH^(3/2)


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