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

  • question_answer
    The figure represents the observed intensity of X-rays emitted by an X-ray tube as a function of wavelength. The sharp peaks A and B denote                              [CBSE PMT 1995]

    A)            Band spectrum                   

    B)            Continuous spectrum

    C)            Characteristic radiations  

    D)            White radiations

    Correct Answer: C

    Solution :

               In X-ray spectra, depending on the accelerating voltage and the target element, we may find sharp peaks super imposed on continuous spectrum. These are at different wavelengths for different elements. They form characteristic X-ray spectrum.


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