A) \[0.55\overset{\text{o}}{\mathop{\text{A}}}\,\]
B) \[0.055\overset{\text{o}}{\mathop{\text{A}}}\,\]
C) \[0.077\overset{\text{o}}{\mathop{\text{A}}}\,\]
D) \[0.095\overset{\text{o}}{\mathop{\text{A}}}\,\]
Correct Answer: B
Solution :
de Broglie wavelength \[\lambda =\frac{12.27}{\sqrt{V}}\overset{\text{o}}{\mathop{\text{A}}}\,\] \[\lambda =\frac{12.27}{\sqrt{50000}}=0.055\overset{\text{o}}{\mathop{\text{A}}}\,\]
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