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संबंधित प्रश्न
Give reason for the following:
A balloon collapses when air is removed from it.
Give reason for the following:
Water does not run out of a dropper unless its rubber bulb is pressed.
Describe an experiment to demonstrate that air exerts pressure.
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
At sea level, the atmospheric pressure is 1.04 x 105 Pa. Assuming g = 10 m s-2 and density of air to be uniform and equal to 1.3 kg m-3, find the height of the atmosphere.
Briefly explain the three chief types of winds.
How does the atmospheric pressure change with altitude?
Why is it not advisable to use a fountain pen while travelling in an aeroplane?
Give reasons:
Why artificial pressure creates in Aircraft?
High pressure is called ______.
