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प्रश्न
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उत्तर
Mercury is used in barometer because
(i) It can be obtained in pure form.
(ii) It does not vaporizeat ordinary temperatures.
(iii) Its density is high and hence the length of the mercury column supported by atmospheric pressure is 76 cm which is practically possible.
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संबंधित प्रश्न
Describe an experiment to demonstrate that air exerts pressure.
Explain briefly the factors that affect Atmospheric 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.
At higher altitudes, air becomes ______
High pressure is called ______.
Humans are sensitive even to a small variations in pressure.
Briefly explain the concept of variation of atmospheric pressure.
What is referred to as atmospheric pressure?
