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A Metal Rod Of Length 100cm Is Heated Through 100°C, Calculate The Change In Length Of The Rod [linear Expansivity Of The Material Of The Rod Is 3 X 10^-6K-1] - Erudites Academy
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A. 4mm
B. 3mm
C. 2mm
D. 1mm

Correct Answer: Option B

B. 3mm

Explanation

I2−I1=I1, θα−1×100×3×10^−5

= 3 x 10-3m

= 3mm

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