Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
    The electrons are emitted in the photo electric effect from a metal surface

    A) only if the temperature of the surface is high

    B) with a maximum velocity proportional to the   frequency of the incident radiation

    C) only if the frequency of the incident radiation is above a certain threshold value

    D) at a rate that is independent of the nature of the metal

    Correct Answer: C

    Solution :

    Only if the frequency of the incident radiation is above a certain threshold value.


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