A) \[0.575\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
B) \[1.00\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
C) \[2.00\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
D) \[1.17\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
Correct Answer: D
Solution :
According to Bragg?s equation \[n=2\,\lambda =1\,\theta ={{60}^{o}}\,d=?\] \[2\times 1=2\times d\times \sin {{60}^{o}}\] \[2\times 1=2\times d\times \frac{\sqrt{3}}{2}\] \[d=\frac{2}{\sqrt{3}}=\frac{2}{1.7}=1.17\,{\AA}\]
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