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प्रश्न
State two advantages of an aneroid barometer over a simple barometer.
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उत्तर
Aneroid barometer has no liquid and it is portable. It is calibrated to read directly the atmospheric pressure.
संबंधित प्रश्न
Give reason for the following:
A balloon collapses when air is removed from it.
Write the numerical value of the atmospheric pressure on the surface of earth in pascal.
Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
What is a barometer?
What do the following indicate in a barometer regarding weather : Gradual rise in the mercury level?
What is meant by atmospheric pressure?
State two factors which affect the atmospheric pressure as we go up.
Why is it not advisable to use a fountain pen while travelling in an aeroplane?
Give reasons:
Why artificial pressure creates in Aircraft?
The standard air pressure at sea level is ______.
