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An X-Ray Beam of Wavelength 3 *10-11 M Is Incident

Question 33

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) 2.87°
B) 5.73°
C) 11.63°
D) 23.27°
E) none of these

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