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संबंधित प्रश्न
A partially inflated balloon is placed inside a bell jar connected to a vacuum pump. On creating vacuum inside the bell jar, balloon gets more inflated. How does the pressure change: increase, decrease or remains same, inside the (a) bell jar, (b) balloon?
State two advantages of an aneroid barometer over a simple barometer.
What do the following indicate in a barometer regarding weather : sudden fall in the mercury level
The atmospheric pressure at earth's surface is P1 and inside mine is P2. They are related as :
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
What will be the effect on air pressure if the temperature drops? Why?
Give reason:
Air pressure decreases with increasing altitude.
Give Reason for the following
Our ears pop in Airplanes.
What is referred to as atmospheric pressure?
