A) \[4\times {{10}^{-4}}\,m\]
B) \[8\times {{10}^{-3}}\,m\]
C) \[4\times {{10}^{-3}}\,m\]
D) \[8\times {{10}^{-4}}\,m\]
Correct Answer: A
Solution :
\[\lambda =\frac{v}{n}=\frac{1.7\times 1000}{4.2\times {{10}^{6}}}=4\times {{10}^{-4}}\]\[m\]You need to login to perform this action.
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