A) 126 cm
B) 160 cm
C) 40 cm
D) 80 cm
Correct Answer: C
Solution :
\[k=\frac{2\pi }{\lambda }=0.025\pi \] \[\Rightarrow \frac{\lambda }{2}=\frac{1}{0.025}=40\,\,cm.\] The shortest possible length will be \[{{L}_{\min }}=\frac{\lambda }{2}=40\,\,cm\]You need to login to perform this action.
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