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Questions  

Which of the following types of kinetic energies contribute to internal energy?

a
Translational only
b
Rotational only
c
Vibrational only
d
Translational, Vibrational & Rotational

detailed solution

Correct option is D

Internal energy consists of the total kinetic energy of all molecules, which means all types, namely translational, rotational & vibrational kinetic energies contribute to internal energy.

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