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A metallic bar is heated from 0°C to 100°C. The coefficient of linear expansion is 10^-5 K^-1. What will be the percentage increase in length ?

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detailed solution

Correct option is B

Δll=αΔT =10−5×100=10−3 Δll×100%=10−3×100=10−1=0⋅1%

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A metallic bar is heated from 0°C to 100°C. The coefficient of linear expansion is 10-5 K-1. What will be the percentage increase in length ?

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A metallic bar is heated from 0°C to 100°C. The coefficient of linear expansion is 10^-5 K^-1. What will be the percentage increase in length ?