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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Units and Measurement
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Q)

The radius of a wire is $0.24 \;mm$ . Then its area of cross- section by taking significant figures into consideration is

$\begin{array}{1 1} 0.1 \;mm^3 \\ 0.2 \;mm^3 \\ 0.18 \;mm^2 \\0.180\;mm^2 \end{array} $

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