A) 5 cm
B) 2 cm
C) 50 cm
D) 20 cm
Correct Answer: B
Solution :
By comparing it with standard equation \[y=a\cos (\omega t-kx)\]Þ\[k=\frac{2\pi }{\lambda }=\pi \]Þ \[\lambda =2cm\]You need to login to perform this action.
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