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प्रश्न
What do the following indicate in a barometer regarding weather : Gradual rise in the mercury level?
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उत्तर
It indicates that the moisture is decreasing i.e., it indicates dry weather.
संबंधित प्रश्न
Write the numerical value of the atmospheric pressure on the earth surface in pascal.
How does the pressure at a certain depth in sea water differ from that at the same depth in river water? Explain your answer.
How will you show that there is vacuum above the surface of mercury in a barometer? What name is given to this vacuum?
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
Draw a simple labelled diagram of a Fortin barometer and state how it is used to measure the atmospheric pressure.
State two factors which affect the atmospheric pressure as we go up.
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.
The small variations in pressure that exist largely determine the ______ and ______ patterns of the earth.
