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प्रश्न
State two experiences that made you think that air exerts pressure.
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उत्तर १
We have experienced that when we blow a balloon, the balloon becomes tight. If we try to fill more air, then the balloon will burst after an extent. This happens because air exerts pressure.
We have also experienced the movement of fringes of windows and doors of our houses when wind blows in a high speed. This also happens because air exerts pressure.
उत्तर २
1) Balloons and balls can be used only when they are inflated with air. When balloon is overfilled with air it bursts due to excessive air pressure.
2) Compressed air is used in the brake system for stopping trains.
संबंधित प्रश्न
Fill the missing word in the blank spaces in the following statements:
Air moves from a region of __________ pressure to a region of ________ pressure.
How is the barometric height of a simple barometer affected if Its tube is slightly tilted from vertical?
How is the reading of a barometer affected when it is taken to (i) a mine, and (ii) a hill?
Briefly state the variations in the vertical distribution of pressure.
What is meant by the term ‘Atmospheric Pressure’?
A solid weighs 2.10 N in air. It has a relative density of 8.4. How much will the body weigh if placed: In water
Clouds float in atmosphere because of their low ______.
Humans are sensitive even to a small variations in pressure.
What does low pressure and high pressure lead to?
Briefly explain the concept of variation of atmospheric pressure.
