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प्रश्न
What is a barometer?
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उत्तर
A barometer is an instrument which is used to measure the atmospheric pressure.
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संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
Give reason for the following:
A balloon collapses when air is removed from it.
How will you show that there is vacuum above the surface of mercury in a barometer? What name is given to this vacuum?
Draw a simple labelled diagram of a Fortin barometer and state how it is used to measure the atmospheric pressure.
The unit torr is related to the barometric height as :
Distinguish between the following:
Isobars and Isotherms
Briefly explain the three chief types of winds.
How is the reading of a barometer affected when it is taken to: A hill
Give reasons:
Why artificial pressure creates in Aircraft?
High pressure is called ______.
