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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 reasons for the following:
Two holes are made in a sealed oil tin to take out oil from it.
Write the numerical value of the atmospheric pressure on the surface of earth in pascal.
How is the barometric height of a simple barometer affected if Its tube is pushed down into the trough of mercury?
Give two reasons for use of mercury as a barometric liquid.
How is the reading of a barometer affected when it is taken to (i) a mine, and (ii) a hill?
What is meant by the term ‘Atmospheric Pressure’?
What is the value of atmospheric pressure?
What will be the effect on air pressure if the temperature drops? Why?
Air pressure is expressed in ______.
