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प्रश्न
State two advantages of an aneroid barometer.
उत्तर
Advantages of aneroid barometer:
- It is compact, portable and hence can be carried anywhere.
- It does not contain any liquid and there is no chance of spilling over of liquid as in mercury barometer.
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संबंधित प्रश्न
Describe a simple experiment to illustrate that air exerts pressure.
Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
State two advantages of an aneroid barometer over a simple barometer.
Briefly state the variations in the vertical distribution of pressure.
What is the value of atmospheric pressure?
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
What will be the effect on air pressure if the temperature drops? Why?
Give reason:
Air pressure decreases with increasing altitude.
The increase in internal energy of 1 kg of water at 100°c when it is converted into steam at the same temperature and at 1 atmospheric pressure will be ______.
(density of steam is 0.6 kg m-3, latent heat of vaporisation of water = 2.25 × 106 J kg-1).
