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

  • question_answer
    A photon in motion has a mass        [MP PMT 1992]

    A)            \[c/h\nu \]                            

    B)            \[h/\nu \]

    C)            \[h\nu \]                                

    D)            \[h\nu /{{c}^{2}}\]

    Correct Answer: D

    Solution :

               \[E=h\nu =m{{c}^{2}}\,\Rightarrow \,\,m=\frac{h\nu }{{{c}^{2}}}\]


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