Question

how would you demonstrate the presence of atmospheric pressure..?? (with the help of an activity or example)​

Answer 1

Answer:

To show the presence of atmospheric pressure, you need a glass tumbler, a stiff cardboard and water. Take the tumbler and fill it with water such that it is full till the brim. Cover it with a cardboard piece. Then place your hand over the cardboard piece on the tumbler and quickly invert it.

"Five examples of pressure in daily life:

The air filled in car tires lifts the whole car weight.

"Sucking a drink" through a straw -" fluid flows because" of the pressure difference.

The flying of aircraft due to the "pressure on the wings".

"Small bullet fired" from a gun" with pressure.

Answer 2

Answer:

Explanation:

To show the presence of atmospheric pressure, you need a glass tumbler, stiff cardboard and  water. Take the tumbler and fill it with water such that it is full till the brim. Cover it with a  cardboard piece. Then place your hand over the cardboard piece on the tumbler and quickly invert  it. Now, slowly, remove your hand whie supporting the cardboard piece. It is observed that the  cardboard piece does not fall. This proves that there is atmospheric pressure that provides enough

force to support the weight of the water in the tumbler.