Q: The temperature of argon, kept in a vessel, is raised by 1°C at a constant volume. The total heat supplied to the gas is a combination of translational and rotational energies. Their respective shares are
(a) 60 % and 40 %
(b) 40 % and 60 %
(c) 50 % and 50 %
(d) 100 % and 0 %
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Ans: (d)
Sol: Argon is a monoatomic gas, So there are only 3 possible translational modes of motion.
Hence, the argon molecule can posses only translational KE.