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Grade 12th passThermal Physics

Temperature of 1kg of hydrogen gas is same as that of 1kg of He, if
A..gases have same Internal energy
B..they have same Vrms
C..they have same mean translational K.E
given correct option is ‘A’ why not ‘C’ ?

Profile image of shy
8 Years agoGrade 12th pass
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1 Answer

Profile image of Eshan
8 Years ago
Dear student,

The answer must be wrong. Option C is also correct since no matter what the mass of molecules is, the mean translational KE is\dfrac{3}{2}kT.

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