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

  • question_answer
    In the diagram a graph between the intensity of X-rays emitted by a molybdenum target and the wavelength is shown, when electrons of 30 keV are incident on the target. In the graph one peak is of \[{{K}_{\alpha }}\] line and the other peak is of \[{{K}_{\beta }}\] line

    A)            First peak is of \[{{K}_{\alpha }}\] line at 0.6 Å

    B)            Highest peak is of Ka line at 0.7 Å

    C)            If the energy of incident particles is increased, then the peaks will shift towards left            

    D)            If the energy of incident particles is increased, then the peaks will shift towards right

    Correct Answer: B

    Solution :

               Peak of Ka is greater than peak of Kb line. 


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