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The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by

A. dQ/Q = (1/2) × (dH/H)

B. dQ/Q = (3/4) × (dH/H)

C. dQ/Q = (dH/H)

D. dQ/Q = (3/2) × (dH/H)

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