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A physics student was given a 400 pages ...

A physics student was given a 400 pages book and a metre scale and asked to measure the thickness of the paper in the book. Explain how can he measure it.

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Measure the total thickness of all the pages of the book using a meter scale. Dividing this by the number of pages, we will get the average thickness of each page.
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PEARSON IIT JEE FOUNDATION-MEASUREMENTS-Concept Application (LEVEL 2)
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