Vijay posted an Question
December 25, 2021 • 20:56 pm 30 points
  • IIT JAM
  • Physics (PH)

Why is (111) not the answer. the answer says reflection from k and cl ions are out of phase and hence cancel each other out. why is that so?

70. KCI has the NaCl type structure which is fcc with two- atom basis, one at (0, 0, 0) and the other at Assume that the atomic form factors of K* and CT are identical. In an X-ray diffraction experiment on KCI which of the following (h k ) peaks will be observed? [JAM PH-20171 (a) (1 0 0) (b) (1 10) (C) (1 1 1) ? ly (200) Solution : (d) fce all even Qll odd 71 72. W at roncictor ie connected n a ciPonst oc chewre

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