Assertion (A): Liquids and gases exert pressure on the walls of their containers.
Reason (R): Pressure is the result of force applied per unit area.
1
Both A and R are true, and R is the correct explanation of A
2
Both A and R are true, but R is not the correct explanation of A.
3
A is true, but R is false.
4
A is false, but R is true.