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प्रश्न
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उत्तर
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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.
We do not feel uneasy even under the enormous atmospheric pressure. Give a reason.
Describe a simple experiment to illustrate that air exerts pressure.
Give reason for the following :
Two holes are made in a sealed oil tin to take out oil from it.
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
The atmospheric pressure at earth's surface is P1 and inside mine is P2. They are related as :
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
Define High pressure
What does low pressure and high pressure lead to?
The increase in internal energy of 1 kg of water at 100°c when it is converted into steam at the same temperature and at 1 atmospheric pressure will be ______.
(density of steam is 0.6 kg m-3, latent heat of vaporisation of water = 2.25 × 106 J kg-1).
