A) 3 cm
B) 100 cm
C) 2 cm
D) 5 cm
E) 8 cm
Correct Answer: C
Solution :
Compare with the standard from \[y=r\cos \left[ \frac{2\pi t}{T}-\frac{2\pi x}{\lambda } \right]\] We have\[\frac{2\pi }{\lambda }=\pi \]or \[\lambda =2\,cm\]You need to login to perform this action.
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