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Yamini Brock Rajagopalan
Asked: 2022-11-11T11:11:55+05:30 In:

The coefficient of linear exopansion of a metal is `1 xx 10^(-5//0)C`. The percentage increase in area of a square plate of that metal when it is heated through `100^(0)C` is
A. `0.02%`
B. `0.1%`
C. `0.001%`
D. `0.2%`

The coefficient of linear exopansion of a metal is `1 xx 10^(-5//0)C`. The percentage increase in area of a square plate of that metal when it is heated through `100^(0)C` is
A. `0.02%`
B. `0.1%`
C. `0.001%`
D. `0.2%`
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1 Answer

  1. Correct Answer – D
    `beta = 2alpha, (DeltaA)/(A) 100 = betaDeltat100`

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