Himanshi Asked a Question
September 1, 2021 5:17 pmpts 30 pts
Ya COemiclent or CUDIUO Example 14.3 A steel ruler exactly 20 cm long IS graduated to give correct measurements at 20° C. (a) Will it give readings that are too long or too short at lower temperatures? 11 ho tho actal length of the ruler be hen it T7I
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  • Dr suman thankyou
    If the temperature decreases, the length of the ruler also decreases through thermal contraction. Below 20°C, each centimeter division is actually somewhat shorter than 1.0 cm, so ...
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