A) \[4.47\times {{10}^{11}}\,per\,\sec \]
B) \[{{10}^{11}}\,per\,\sec \]
C) \[5.3\times {{10}^{-11}}\,per\,\sec \]
D) \[{{10}^{14}}\,per\,\sec \]
Correct Answer: A
Solution :
Frequency \[f=\frac{Bq}{2\pi m}\] \[\begin{align} & =\frac{16\times 1.6\times {{10}^{-19}}}{2\pi \times 9.1\times {{10}^{-31}}} \\ & =4.47\times {{10}^{+11}} \\ \end{align}\]Per sec
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