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प्रश्न
The atmospheric pressure at sea level is nearly
पर्याय
10 Pa
100,000 Pa
100 Pa
10,000 Pa
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उत्तर
100,000 Pa
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संबंधित प्रश्न
What is a barometer?
What is meant by the statement 'the atmospheric pressure at a place is 76 cm of Hg'? State its value in Pa.
How will you show that there is vacuum above the surface of mercury in a barometer? What name is given to this vacuum?
How is the barometric height of a simple barometer affected if Its tube is slightly tilted from vertical?
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
What is an altimeter? State its principle. How is its scale calibrated?
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
A solid weighs 2.10 N in air. It has a relative density of 8.4. How much will the body weigh if placed: In a liquid of relative density 1.2
Give reason:
Air pressure decreases with increasing altitude.
