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A steel tape 1m long is correctly calibr...

A steel tape 1m long is correctly calibrated for a temperature of `27.0 ^@C`. The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is `45.0 ^@C`. What is the actual length of the steel rod on that day? What Is the length of the same steel rod on a day when the temperature is `27.0 ^@C`? Coefficient of linear expansion of steel = `1.20xx10^-5 K^-1`.

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