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

  • question_answer
    An X-ray tube is operated at 50 kV. The minimum wavelength produced is                                           [CPMT 1996]

    A)            0.5 Å                                        

    B)            0.75 Å

    C)            0.25 Å                                      

    D)            1 Å

    Correct Answer: C

    Solution :

               \[{{\lambda }_{\min }}=\frac{12375}{50\times {{10}^{3}}}{\AA}=0.247=0.25\,{\AA}\].


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