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प्रश्न
Fill the missing word in the blank spaces in the following statements:
Air moves from a region of __________ pressure to a region of ________ pressure.
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उत्तर
Air moves from a region of high pressure to a region of low pressure.
संबंधित प्रश्न
Give reason for the following:
Water does not run out of a dropper unless its rubber bulb is pressed.
What is the purpose of a barometer?
Give two reasons why water is not a suitable barometric liquid.
State two advantages of an aneroid barometer over a simple barometer.
The normal atmospheric pressure is :
Give reasons for the following:
The Westerlies in the Southern Hemisphere blow with greater force than those in the Northern Hemisphere.
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?
What is the value of atmospheric pressure?
Define one atmosphere.
Why is it not advisable to use a fountain pen while travelling in an aeroplane?
