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Gulzar Malik Lodi
Asked: 2022-11-09T06:32:53+05:30 In:

A bar of iron is 10 cm at `20^(@)C`. At `19^(@)C` it will be `(alpha_(Fe)=11xx10^(-6)//.^(@)C)`
A. `11xx10^(-6)`cm longer
B. `11xx10^(-6)cm` cm shorter
C. `11xx10^(-5)cm` shorter
D. `11xx10^(-5)cm` longer

A bar of iron is 10 cm at `20^(@)C`. At `19^(@)C` it will be `(alpha_(Fe)=11xx10^(-6)//.^(@)C)`
A. `11xx10^(-6)`cm longer
B. `11xx10^(-6)cm` cm shorter
C. `11xx10^(-5)cm` shorter
D. `11xx10^(-5)cm` longer
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  1. Correct Answer – C

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