With how much altitude, the mercury column of barometer drops for 1cm?
Answers
Answer:
At what height does mercury in a barometer drop by 1 cm?
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Jon Miner
Answered 3 years ago
The atmosphere is pressing down on the Earth because of gravity. A barometer is like a scale which weighs the weight of the air compared to the pull of gravity.
There are two variables to consider:
As the elevation of the Earth's surface increases, there will be less air above the Earth at that point, so the pressure will decrease.
The atmosphere of the Earth is in motion. This causes high or low pressures depending on the strength of this motion and its direction.
Answer:
The height of the mercury column serves as an indicator of atmospheric pressure. At sea level and at a temperature of 0° Celsius (C), the height of the mercury column is approximately 30 inches, or 76 centimeters. This represents a pressure of approximately 14.7
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Explanation: