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प्रश्न
Give reasons for the following:
Two holes are made in a sealed oil tin to take out oil from it.
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उत्तर
Two holes are made in a sealed oil tin to draw oil out: one hole allows atmospheric pressure to act as air enters, and the other lets the oil come out easily.
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संबंधित प्रश्न
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
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 .
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Select the correct option.
The atmospheric pressure on the earth’s surface is approximately
What does a falling barometer indicate?
Air pressure is expressed in ______.
The value of the atmospheric pressure at sea level is
As we go from the equator of the earth to pole of the earth, the value of acceleration due to gravity ______.
The air pressure at sea level is referred to as ______.
Why do Scuba divers wear special suits and equipment?
