Physics · 2022
JEE Main · 28 June 2022, Shift 2 · Q51
A student in the laboratory measures thickness of a wire using screw gauge. The readings are 1.22 mm, 1.23 mm, 1.19 mm and 1.20 mm. The percentage…
A student in the laboratory measures thickness of a wire using screw gauge. The readings are $\displaystyle 1.22$ mm, $\displaystyle 1.23$ mm, $\displaystyle 1.19$ mm and $\displaystyle 1.20$ mm . The percentage error is $\displaystyle \frac{x}{121} \%$. The value of $\displaystyle x$ is \_\_\_\_.
Official answer
150
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