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

  • question_answer
    When wavelength of incident photon is decreased then [RPET 2000]

    A)            Velocity of emitted photo-electron decreases

    B)            Velocity of emitted photoelectron increases

    C)            Velocity of photoelectron do not charge

    D)            Photo electric current increases

    Correct Answer: B

    Solution :

               With decrease in wavelength of incident photons, energy of photoelectrons increases.


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