A) \[2.43\times {{10}^{14}}\]
B) \[2.43\times {{10}^{15}}\]
C) \[2.43\times {{10}^{16}}\]
D) \[2.43\times {{10}^{17}}\]
Correct Answer: A
Solution :
\[v=2.18\times {{10}^{6}}\left( \frac{Z}{n} \right)m{{s}^{-1}}\] \[v=2.18\times {{10}^{6}}\times \frac{1}{3}=726.67\times {{10}^{3}}m{{s}^{-1}}\] Number of revolutions per second\[=\frac{v}{2\pi r}\] \[=\frac{726.67\times {{10}^{3}}}{2\times 3.14\times \left( 0.0529\times {{10}^{-9}}\times \frac{32}{1} \right)}\] \[=2.43\times {{10}^{14}}\]revolution per second
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