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QJEEM20Phe39e: JEE Main 2020 Physics - Class 11 JEEM20Phe39e Solution: Consider a gas of triatomic molecules. The molecules are…
Consider a gas of triatomic molecules. The molecules are assumed to be triangular and made of massless rigid rods whose vertices are occupied by atoms. The internal energy of a mole of the gas at temperature T is :
Multiple Choice Options
- A
- B
- C
- D 3RT
Step-by-Step Verified Solution
Degree of freedom (f) = 3 + 3 = 6 and n = 1
U =
=
= 3RT
U =
=
= 3RT