A) 3 units
B) 2 units
C) 50 units
D) 47 units
Correct Answer: B
Solution :
Equation \[y=3\,\cos \pi (\omega t-x)\] \[y=a\cos \,(\omega t-kx)\] \[k=\pi \Rightarrow \frac{2\pi }{\lambda }=\pi \] \[\lambda =2\,units\]
You need to login to perform this action.
You will be redirected in
3 sec
