Jun '14
4
MCAT Question of the Day | MCAT Course


  • Q:

    Simple mercury barometers were historically particularly useful because the high density of mercury allows a barometer to be only approximately 1 m tall to measure normal fluctuations in atmospheric pressure, which determined the height of the mercury. If a barometer reads a height of 1000 mmHg, what height would be read on a barometer using water instead? The density of mercury is 13.5 g/mL and that of water is 1 g/mL.

     

    A

    74 mm

    B

    74 cm

    C

    135 cm

    D

    13.5 m




    Tags: Fluids | Quantitative Skills | Suggest a tag
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