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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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Analyzing +4 | -1
Assertion : The error in the measurement of radius of the
sphere is 0.3%.The permissible error in its surface area is
0.6%.
Reason : The permissible error is calculated by the formula ΔAA=4Δrr\frac{{\Delta A}}{A} = \frac{{4\Delta r}}{r}
View answer and explanation
Correct option: C
Assertion is correct, reason is incorrect
Assertion is correct, reason is incorrect. The assertion is correct, but the reason is incorrect. The correct formula for the permissible error is ΔAA=2Δrr\frac{{\Delta A}}{A} = 2\frac{{\Delta r}}{r}

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