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A steel tape measures the length of a co...

A steel tape measures the length of a copper rod as 80 cm at `15^(0)C`, which is the calibration temperature for the tape. Find reading of the tape when both are at a temperature of `65^(0)C`. (`alpha` of steel and copper are `12xx10^(-6)//""^(0)C and 17xx10^(-6)//""^(0)C`)

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The correct Answer is:
80.02
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