JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Photon and Photoelectric Effect

  • question_answer
    In a photo cell, the photo-electrons emission takes place

    A)            After \[{{10}^{1}}\] sec on incident of light rays

    B)            After \[{{10}^{3}}\]sec on incident of light rays

    C)            After \[{{10}^{6}}\]sec on incident of light rays

    D)            After \[{{10}^{8}}\]sec on incident of light rays

    Correct Answer: D

    Solution :


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