If the angle of incidence of X-ray of wavelength 3 Å which produces a second order diffracted beam from the (100) plane in a simple cubic lattice with interlayer spacing a = 6 Å is 30°, the angle of incidence that produce a first order diffracted beam from the (200) planes is
a. 15°
b. 45°
c. 30°
d. 60°
Ans. c
(16)
5/5 - (1 vote)
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