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JEE Main & Advanced Physics Kinetic Theory of Gases Question Bank Self Evaluation Test - Kinetic Theory

  • question_answer
    The average translational kinetic energy of \[{{O}_{2}}\](relative molar mass 32) molecules at a particular temperature is 0.048 eV. The translational kinetic energy of \[{{N}_{2}}\] (relative molar mass 28) molecules in eV at the same temperature is

    A) 0.0015

    B) 0.003

    C) 0.048

    D) 0.768

    Correct Answer: C

    Solution :

    [c] Average translational kinetic energy of an ideal gas molecule is \[\frac{3}{2}kT\] which depends on temperature only Therefore, if temperature is same, translational kinetic energy of \[{{O}_{2}}\] and \[{{N}_{2}}\] both will be equal.


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