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

  • question_answer
    If an electron and a photon propagate in the form of waves having the same wavelength, it implies that they have the same        [CBSE PMT 1995; DCE 2001; AIIMS 2003]

    A)            Energy                                    

    B)            Momentum

    C)            Velocity                                  

    D)            Angular momentum

    Correct Answer: B

    Solution :

               If an electron and a photon propagates in the form of waves having the same wavelength, it implies that they have same momentum. This is according to de-Broglie equation, \[p\propto \frac{1}{\lambda }\]


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