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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
State two experiences that made you think that air exerts pressure.
Give reasons for the following:
Two holes are made in a sealed oil tin to take out oil from it.
What do you understand by atmospheric pressure?
Why is the barometric height used as unit to express the atmospheric pressure?
How is the barometric height of a simple barometer affected if Its tube is pushed down into the trough of mercury?
How is the barometric height of a simple barometer affected if A drop of liquid is inserted inside the tube?
What is the value of atmospheric pressure?
At higher altitudes, air becomes ______
High pressure is called ______.
The air pressure at sea level is referred to as ______.
