How does the pressure at the bottom of the 76-cm column of mercury in a barometer compare with the pressure due to the weight of the atmosphere?
To Compare: The pressure at the bottom of the 76 cm of mercury in a barometer and the pressure due to weight of the atmosphere.
Explanation of Solution
Introduction:
Barometer is an instrument which is used to measure the atmospheric pressure. The height of the mercury in the barometer tube measures the atmospheric pressure.
The pressure due to weight of the atmosphere is equal to the pressure in the barometer.The liquid in the barometer remains at same height. It does not depend on the orientation of tube.
Conclusion:
Atmospheric pressure is same at the bottom of the 76 cm of mercury in a barometer and the pressure due to weight of the atmosphere.
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