Assertion: At critical point, the densities of substance in gaseous and liquid states are same.
Reason: Critical temperature is the temperature at which the real gas exhibit ideal behaviour for considerable range of pressure
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false