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प्रश्न
On the earth, air pressure is ______
विकल्प
uniform
uneven
high
low
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उत्तर
On the earth, air pressure is uneven.
संबंधित 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.
Explain the following :
Water does not run out of a dropper unless its rubber bulb is pressed .
Give two reasons why water is not a suitable barometric liquid.
What do the following indicate in a barometer regarding weather : gradual fall in the mercury level
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?
How is the reading of a barometer affected when it is taken to: A mine
Give reason:
Air pressure decreases with increasing altitude.
The highest air pressure at sea level was recorded at ______ Russia.
Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for rise in level of the drink?
The human lung is well adapted to breathe at a pressure of ______ k Pa.
