If the C d and length L of a rectangular notch and a broad-crested weir are the same, then for the..

If the Cd and length L of a rectangular notch and
a broad-crested weir are the same, then for the same head on both of these

(a) the broad-crested weir passed 73% more discharge than
the rectangular notch

(b) the rectangular notch passes 57.7% less discharge

(c) the rectangular notch passes 73% more discharge than the
broadcrested weir

(d) both notch and the broad-crested weir pass equal
discharges.