A) \[350\text{ }m{{s}^{-1}}\]
B) \[330\text{ }m{{s}^{-1}}\]
C) \[300\text{ }m{{s}^{-1}}\]
D) \[450\text{ }m{{s}^{-1}}\]
E) \[500\text{ }m{{s}^{-1}}\]
Correct Answer: B
Solution :
\[v=n\lambda =500\times \frac{16.5}{25}=330\,m{{s}^{-1}}\]
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