12th Class Physics Photo Electric Effect, X- Rays & Matter Waves

  • question_answer 17)
    (a For what kinetic energy of a neutron will the associated de Broglie wavelength be ? (b) Also find the de Broglie wavelength of a neutron, in thermal equilibrium with matter, having an average kinetic energy of  at 300 K.  

    Answer:

    (a)Here Also,  and (b)Since Hereand  


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