Umme posted an Question
September 20, 2020 • 12:52 pm 30 points
  • IIT JAM
  • Physics (PH)

Waveiaiguioiuie aftayiajuseu is the lattice parameter (in a) ofnickel (fcc) ifthe bragg's angle for its (220) reflection is 38.2° and the wave length of the x-r

waveiaIguioiuIE AFTayIAJUSeu is The lattice parameter (in A) ofnickel (fcc) ifthe Bragg's angle for its (220) reflection is 38.2° and the wave length of the X-ray used is 1.54 Å, is

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    Dhairya sharma best-answer

    see attachment

    cropped-403201216.jpg
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    usually we take n=1 but surely we also get the solution for third order diffraction.

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    hope it'll help you!

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    why are you not answering the questions from a few days????...are you busy.....

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    yes, actually, i was busy dear.

  • comment-profile-img>
    Somnath best-answer

    See attached file for solution.

    cropped5592922572408492000.jpg
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    why are we taking n=1 .....won't we get the THIRD diffraction peak at plane (220)

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