Show an activity to proove air …
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Gaurav Seth 6 years, 7 months ago
Air pressure or atmospheric pressure is the weight of air acting on a unit are of surface.Air exerts pressure in all directions.
Experiment to demonstrate Air pressure
Apparatus Required:Glass tumbler, water and card board.
Procedure :
Fill the glass tumbler completely with water.
Cover it with card board.
Note : There should not be air between water and card board.
Support the card board with you hand and invert the tumbler.Holding the glass tumbler gently, remove the hand.
Observation:
Cardboard does not fall because the air pressure is acting from all the direction.
2Thank You