7. The illustration shows a transverse wave.
VAA
Y
Which bar measures the wavelength of the wave?
bar W
bar X
bar Y
bar Z
A
N
B.
C.
D.
![7 The illustration shows a transverse wave VAA Y Which bar measures the wavelength of the wave bar W bar X bar Y bar Z A N B C D class=](https://us-static.z-dn.net/files/d00/bdb01007794a80201d5a4944db98a367.png)