Question

Why is mercury used as a barometric liquid in a cistern barometer?​

Answer 1

Answer:

Why is mercury used as a barometer liquid?

Science teachers usually explain that cistern barometers contain mercury because water barometers are too tall to fit in a typical room. Since mercury has a density 13.6 times that of water, mercury barometers can be 13.6 times shorter than water barometers.

Explanation:

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Answer 2

Science teachers usually explain that cistern barometers contain mercury because water barometers are too tall to fit in a typical room. Since mercury has a density 13.6 times that of water, mercury barometers can be 13.6 times shorter than water barometers.