IIT JAM
Umme Asked a Question
September 20, 2020 7:22 ampts 30 pts
  • 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 thankyou
    see attachment
    • cropped-403201216.jpg
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    Dhairya sharma
    usually we take n=1 but surely we also get the solution for third order diffraction.
  • Somnath thankyou
    See attached file for solution.
    • cropped5592922572408492000.jpg
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    Umme
    why are we taking n=1 .....won't we get the THIRD diffraction peak at plane (220)
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