Question

how will you prove that air exerts pressure , use a diagram to explain​

Answer 1

Explanation:

Cover the mouth of the glass with an index card. Now hold the card in place and invert the glass over a sink and remove your hand from the card. ... The air outside exerts an upward pressure on the index card. This air pressure is more than the weight of the water in the glass.

Answer 2

$\huge\rm\underline\purple{Answer:-}$Cover the mouth of the glass with an index card. Now hold the card in place and invert the glass over a sink and remove your hand from the card. ... The air outside exerts an upward pressure on the index card. This air pressure is more than the weight of the water in the glass.$</p><p>\huge\underline\frak{\fbox{Hope it Helps}}$