Lessons

Eamcet Physics
1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids

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Q.

A steel meter scale is to be ruled so that millimeter intervals are accurate within about 5 x 10–5 mm at a certain temperature. The maximum temperature variation allowable during the ruling is [coefficient of linear expansion of steel = 10 x 10–6k–1]

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Correct choice: B

Explanation:

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