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The temperature of a steel rod is increa...

The temperature of a steel rod is increased by `15^(@)C`.To resist its expansion in length, what stress should be applied? Young's modulus (Y) for steel `=2 times 10^(12)dyn*cm^(-2)` and its coefficient of linear expansion, `alpha=1.2 times 10^(-5@)C^(-1)`.

Text Solution

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The correct Answer is:
`36 times 10^(7)dyn*cm^(-2)`
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