Question: A right - angled V - notch is used for measuring a discharge of 3 0 liters / sec . An error of 1 .

A right-angled V-notch is used for measuring a discharge of 30 liters/sec. An error of 1.5mm was made while measuring the head over the notch. Calculate the percentage error in the discharge.
Take Cd=0.62
A right - angled V - notch is used for measuring

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