The scale of a barometer is made of brass and is correct is 15^(@)C. The reading of the barometer is 0.754m at 5^(@)C. Correct this reading to 0^(@)C. (Linear expansivity of brass =18x10^(-6)K^(-1) and cubical expansivity of mercury =18xx10^(-5)K^(-1))

The scale of a barometer is made of brass and is correct is 15^(@)C. T

1.	The scale of a barometer is made of brass and is correct is 15^(@)C. The reading of the barometer is 0.754m at 5^(@)C. Correct this reading to 0^(@)C. (Linear expansivity of brass =18x10^(-6)K^(-1) and cubical expansivity of mercury =18xx10^(-5)K^(-1))
Answer» ANSWER :`0.7532m`