Question

To prove that air exerts for the tin


Experiment of std 8th

Answer 1

hope it helps

Materials Required: tumbler, water, square cardboard piece

Method: Fill up the tumbler with water up to the brim. Cover it with cardboard piece and turn the glass upside down. Slowly remove your hand.

Observation: Cardboard does not fall and water stays in the glass.

Inference: air pushes the cardboard up and prevents it from falling.