BHU PMT BHU PMT (Mains) Solved Paper-2005

  • question_answer
    According to Bohr's postulates which of the following quantities takes discrete values?

    A)  Kinetic energy

    B)  Potential energy

    C)  Angular momentum

    D)  Momentum

    Correct Answer: C

    Solution :

                     According to Bohr's postulates, electrons cannot revolve in all those orbits as suggested by classical theory, but only in those orbits for which the angular momentum is equal to an integral multiple of \[\frac{h}{2\pi }\], where h is Planck's constant. Thus, angular momentum takes discrete values.


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