A mercury thermometer reads 99.25^(@)C when immersed in a steam bath in such a way that the entire of its stem above is 0^(@)C graduation is outside the bath. The temperature of the room is 20^(@)C. When the whole of its steam is pushed into the bath, the thermometer reads 100.5^(@)C. Calculate the coefficient of cubical expansivity of mercury. (Given theat linear expansivity of glass =8xx10^(-6)K^(-1))

A mercury thermometer reads 99.25^(@)C when immersed in a steam bath i

1.	A mercury thermometer reads 99.25^(@)C when immersed in a steam bath in such a way that the entire of its stem above is 0^(@)C graduation is outside the bath. The temperature of the room is 20^(@)C. When the whole of its steam is pushed into the bath, the thermometer reads 100.5^(@)C. Calculate the coefficient of cubical expansivity of mercury. (Given theat linear expansivity of glass =8xx10^(-6)K^(-1))
Answer» ANSWER :`18xx10^(-5)K^(-1)`