If the error in the measurement of head in a 'V' notch is 1%, then the error in the measurement of discharge will be

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1.5%

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2.5%

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Solution

The correct option is D 2.5%
$\frac{d Q}{Q} = 2.5 \frac{d H}{H} = 2.5 %$

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If the error in the measurement of head in a 'V' notch is 1%, then the error in the measurement of discharge will be

The correct option is D 2.5%dQQ=2.5dHH=2.5%

The correct option is D 2.5%
$\frac{d Q}{Q} = 2.5 \frac{d H}{H} = 2.5 %$