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प्रश्न
Air pressure is expressed in ______.
विकल्प
millibars
millimetres
millilitres
milligrams
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उत्तर
Air pressure is expressed in millibars.
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.
Give reason for the following:
A balloon collapses when air is removed from it.
Give reason for the following :
Two holes are made in a sealed oil tin to take out oil from it.
Convert 1 mm of Hg into pascal. Take density of Hg = 13.6 x 103 kg m-3 and g = 9.8 m s-2 .
The radius of the press plunger and pump plunger are in ratio of 50 : 4. If an effort of 20 kgf acts on the pump plunger, calculate the maximum effort which the press plunger can over come.
What is meant by atmospheric pressure?
Name the instrument used to measure atmospheric pressure.
Give reason:
Air pressure decreases with increasing altitude.
The highest air pressure at sea level was recorded at ______ Russia.
