Advertisements
Advertisements
प्रश्न
What is a barometer?
Advertisements
उत्तर
A barometer is an instrument which is used to measure the atmospheric pressure.
APPEARS IN
संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
How is water drawn up from a well by a water pump?
State two factors which affect the atmospheric pressure as we go up.
Atmospheric pressure at sea level is 76 cm of mercury. Calculate the vertical height of the air column exerting the above pressure. Assume the density of air 1.29 kgm−3 and that of mercury is 13600 kgm−3. Why the height calculated by you is far less than the actual height of the atmosphere?
Give reason:
Air pressure decreases with increasing altitude.
The atmosphere is a layer of gases surrounding the planet.
What is meant by atmospheric pressure?
What does low pressure and high pressure lead to?
The air pressure at sea level is referred to as ______.
What is referred to as atmospheric pressure?
