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Home  >>  AIMS  >>  Class11  >>  Physics  >>  Units and Measurement
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A rectangular plate has a length of $(21.3 \pm 0.2)$ cm and a width of $(9.80 \pm 0.10)$ cm. Calculate the area of the plate and also the percentage error.

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[Ans. (209 ± 4) cm2, = 2%]
Hence (A) is the correct answer.
answered Jun 1, 2014 by thanvigandhi_1

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