JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Topic Test - Photo Electric Effect, X-Rays & Matter Waves

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

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

    B) Only if the temperature of the surface is high

    C) At a rate that is independent of the nature of the metal

    D) With a maximum velocity proportional to the frequency of the incident radiation

    Correct Answer: A

    Solution :

    [a] Refer to threshold frequency.

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