ashyding3666 ashyding3666

16-01-2024
Physics

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A barometer tube has some air at the top above the mercury. When the length of the air column is 300mm, the reading of the mercury above the outside level is 750mm. When the length is reduced to 250mm, the reading becomes 7.36mm. Calculate the atmospheric pressure.

a) 746.64 mmHg
b) 760.00 mmHg
c) 753.28 mmHg
d) 735.64 mmHg

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