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

  • question_answer
    The de-Broglie wavelength l                                   [RPMT 2004]

    A)            is proportional to mass

    B)            is proportional to impulse

    C)            Inversely proportional to impulse

    D)            does not depend on impulse

    Correct Answer: C

    Solution :

               The De-Broglie wavelength is \[\lambda =\frac{h}{|p|}=\frac{h}{|I|}\]\[\Rightarrow \lambda \propto \frac{1}{|I|}\]


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