Instantaneous unit hydrograph is a hydrograph of________________?

Irrigation, Water Resources Engineering and Hydrology 14/04/2020

1) unit duration
2) unit rainfall excess
3) infinitely small duration
4) infinitely small rainfall excess
The correct answer is?

A. (1) and (2)
B. (1)and(4)
C. (2) and (3)
D. (3) and (4)

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