A) \[4\times {{10}^{6}}\]
B) \[4\times {{10}^{4}}\]
C) \[{{10}^{6}}\]
D) Zero
Correct Answer: A
Solution :
\[v=\sqrt{\frac{2eV}{m}}=\sqrt{\frac{2\times 1.6\times {{10}^{-19}}\times 45.5}{9.1\times {{10}^{-31}}}}\]\[=\,4\times {{10}^{6}}\,m/s\]You need to login to perform this action.
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