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What is the height of the barometer column for one atmosphere of pressure?
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As air pressure increases does the height of a column of mercury in a barometer increase?
Yes, as air pressure increases, the height of the column of mercury in a barometer also increases. This is because the higher air pressure pushes down on the mercury in the barometer, causing the column to rise. Conversely, lower air pressure will cause the column of mercury to fall.
What does a decrease in the height of a column in a mercury barometer mean?
air pressure is decreasing
A decrease in the height of a column in a mercury barometer means that .'s surface?
When air pressure increases, the mercury in a barometer rises.
When the height of the mercury in a barometer is 29.92 inches the barometric pressure is?
The standard sea level pressure of Earth's atmosphere - a pressure of 1 Bar or one "atmosphere".
Why must a barometer be place where are no temperature extremes?
The height of the mercury column is used to measure atmospheric pressure. If the barometer is also subjected to high temperatures, the thermal expansion of the mercury column will indicate a higher pressure than is really the case. This will make the barometer readings useless.
What does a decrease in the height of the mercury column usually indicate on a barometer?
low pressure system and stormy weather
What would happen to a mercury barometer when the air pressure is getting lower?
The height of the column of mercury would be lower.
When air pressure increases the liquid in a mercury barometer would what?
The height of the Mercury column would decrease.
Why does the height of the column in a barometer changes as atmospheric pressure changes?
As the atmospheric pressure changes, the force pushing on the surface of the liquid changes. Therefore,the height of the liquid in the tube increases as the atmospheric pressure increases.
Why does the height of the liquid column in a barometer changes as atmospheric pressure changes?
Pressure tendancies measure short term weather. The mercury in a barometer will rise with atmospheric pressure denoting fairer weather and a fall in barometric pressure warns of inclement weather.
An altimeter is an adaptation of the?
The altimeter is basically a specialized pressure gauge. It measures the pressure of the column of air above it. As the altitude varies, the air column height varies, which registers on the altimeter. Since the air pressure also varies with changes in the barometric pressure, altimeters must have an adjustment to compensate for changes in local barometric pressure.
If a meteorologist says that the air pressure is getting lower what would you expect to happen to a Torricelli's mercury barometer?
The height of the Mercury column would decrease.
