RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    The hardness of X-rays by coolidge tube depends upon

    A)  filament current

    B)  air pressure in tube

    C)  material of target

    D)  potential between target and cathode

    Correct Answer: D

    Solution :

     The hardness of X-rays depends upon the its wavelength. Which depend upon potential difference between target and cathode.


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