The percentage error in a measured quantity $a$ (with absolute error $\Delta a$) is:

1. A $\frac{\Delta a}{a} \times 100\%$ Correct answer
2. B $\Delta a \times 100\%$
3. C $\frac{a}{\Delta a} \times 100\%$
4. D $\Delta a - a$

Solution

Percentage error = (absolute error / measured value) × 100%.

About this question

Subject: Physics · Chapter: Units and Measurement · Topic: Errors in Measurement

This question is part of PrepWiser's free JEE Main question bank. 12 more solved questions on Units and Measurement are available — start with the harder ones if your accuracy is >70%.

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