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joker joker
wrote...
6 years ago
If the interplanar spacing of NaCl is 2.814  10-10 m, what is the predicted angle at which X-rays of wavelength 0.140 nm will be diffracted in a first-order maximum?
 a. 31.3
  b. 7.20
  c. 20.5
  d. 14.4
  e. 29.8
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6 years ago
D
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