Punjab Medical Punjab - MET Solved Paper-2005

  • question_answer
    The X-ray cannot be diffracted by means of an ordinary grating due to

    A)  large wavelength

    B)  high speed

    C)  short wavelength

    D)  all of these

    Correct Answer: C

    Solution :

    For diffraction, the edges of the obstacle should be comparable to the wavelength of radiation. Wavelength of \[X-\]rays is very low, so, they cannot be diffracted through ordinary grating.


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