(A): Different gases at the same conditions of temperature and pressure have different root mean square velocities. (R ):Average kinetic energy of gas is directly proportional to absolute temperature.

(A): Different gases at the same conditions of temperature and pressur

1.	(A): Different gases at the same conditions of temperature and pressure have different root mean square velocities. (R ):Average kinetic energy of gas is directly proportional to absolute temperature.
Answer» Both (A) and ( R) are true and (R ) is the CORRECT explanation of (A) Both (A) and (R ) are true and (R) is not the correct explanation of (A) (A) is true but (R ) is false Both (A) and (R ) are false ANSWER :B