Question

An empty glass tumbler with a piece of cotton wool stuck into its bottom was lowered in an

upside down position into a tumbler of water. In the experiment, the cotton wool did not get

wet even when glass was fully submerged in water.

Read the given statements about the experiment.

(i) Air has mass. (ii) Air occupies space.

(iii) Air cannot be compressed. (iv) Air exerts pressure upside down.

(v) Air exerts pressure upwards. (vi) Air does not have any shape.

(vii) Air is invisible to us. (viii) Air and water are different substances.​

Answer 1

Answer:

the answer is air exerts pressure evidence to prove it is that when you push an glass upside down in an bucket of water you feel an upward push on glass it is the air exerting the pressure