NEET Sample Paper NEET Sample Test Paper-1

  • question_answer The x-ray cannot be diffracted by means of an extraordinary grating because of:

    A)  large wavelength 

    B)  high speed

    C)  short wavelength

    D)  low speed

    Correct Answer: C

    Solution :

    The x-rays are of short wavelengths as compared to grating constants of optical grating on account of this, it makes difficult to observe x-rays diffraction with an ordinating grating.

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