A) 10,000 Hz
B) 20,000 Hz
C) 15,000 Hz
D) 25,000 Hz
Correct Answer: B
Solution :
\[\lambda =1.6\times {{10}^{-2}}m\] \[v=320\text{ }m/s\] \[f=?\] We know, \[V=f\lambda \] \[f=\frac{v}{\lambda }\] \[=\frac{320}{1.6\times {{10}^{-2}}}=20,000Hz\]You need to login to perform this action.
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