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प्रश्न
The atmospheric pressure is nearly 105 Pa.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
Give reason for the following:
Water does not run out of a dropper unless its rubber bulb is pressed.
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
How is the barometric height of a simple barometer affected if Its tube is pushed down into the trough of mercury?
Give two reasons why water is not a suitable barometric liquid.
State two factors which affect the atmospheric pressure as we go up.
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
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?
Name the instrument used to measure atmospheric pressure.
What is the purpose of a barometer? State two major defects of a simple barometer.
What is an aneroid barometer?
Draw a neat and labeled diagram to explain its construction and working.
