Eamcet Physics - 1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids Free Online Tests | Mock Tests | Preparation | Practice Tests

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A metal metre scale gives correct measurement at 0°C. It is generally used at a temperature of 40°C. The correction to be made for every metre is

A. 4 X 10^–5 m

B. 4 X 10^–5 m to be added

C. 4 X 10^–5 m must be deducted

D. -4 X 10^–5 m

E. None of the above

View Answer

Correct choice: B

Explanation:

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