Multiple Choice
An x-ray beam of wavelength 3 *10-11 m is incident on a calcite crystal of lattice spacing 0.3 nm.The smallest angle between crystal planes and the x-ray beam which will result in constructive interference is:
A) 2.9°
B) 5.7°
C) 12°
D) 23°
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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