Subject :NSO Class : Class 5
Take a glass and fill it with water up to the brim. Make sure that there are no air bubbles. Take a thick, stiff piece of cardboard and put it over the glass. Place your hand over the card and quickly turn
the glass upside down. Now slowly remove your hand.
What does this experiment show?
A Air occupies space.
B Air exerts pressure.
C Air has weight.
D All of these
Ans 1:
Class : Class 5
I know, it's B!