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Discussion :: GATE Metallurgical

  1. A peak in the X-ray diffraction pattern is observed at 2θ = 78o, corresponding to {311} planes of an fcc metal, when the incident beam has a wavelength of 0.154 nm. The lattice parameter of the metal is approximately
    2. A.
    0.6 nm
    B.
    0.4 nm
    C.
    0.3 nm
    D.
    0.2 nm

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    Answer : Option B

    Explanation :

    -NA-

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