Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?
(A) volume
(B) pressure
(C) absolute temperature
(D) time
Average translational kinetic energy per molecule of an ideal gas is given by_____________?
(A) 3NaT/2R
(B) 2NaT/3
(C) 3RT/2Na
(D) 3Na/2RT
Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as_______________?
(A) K = RNa
(B) K = R/Na
(C) K = Na/Ra
(D) K = nRNa
Which of the following properties of molecules of a gas is same for all gases at particular temperature ?
(A) momentum
(B) mass
(C) velocity
(D) kinetic energy
Triple point of water is_____________________?
(A) 273°C at 6.11 Kpa
(B) 273K at 61.6 Kpa
(C) 273.16°C at 0.611 Kpa
(D) 273.16K at 750 Kpa
For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?
(A) double
(B) one half
(C) four times
(D) one fourth
The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine_______________?
(A) at any instant
(B) averagely
(C) during its operation
(D) during one cycle
At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?
(A) 460°C
(B) 280°C
(C) 360°C
(D) 160°C
Standard condition STP refer to a gas at ___________________?
(A) 76cm 0°C
(B) 760mm 273K
(C) 1atm 273K
(D) all of the above
Which one is true for internal energy ?
(A) It is sum of all forms of energies associated with molecules of a system
(B) It is a state function of a system
(C) It is proportional to transnational K.E of the molecules
(D) All are correct