If you flick a string, a traveling wave moves down it; if you do this continually, say once a second, you generate a travelling wave train with a frequency of 1 s -1 , or one wavelength per second, wh...If you flick a string, a traveling wave moves down it; if you do this continually, say once a second, you generate a travelling wave train with a frequency of 1 s -1 , or one wavelength per second, where the wavelength is the distance between successive peaks (or any other repeating feature) of the wave:
Interference is the hallmark of waves, all of which exhibit constructive and destructive interference exactly analogous to that seen for water waves. In fact, one way to prove something “is a wave” is...Interference is the hallmark of waves, all of which exhibit constructive and destructive interference exactly analogous to that seen for water waves. In fact, one way to prove something “is a wave” is to observe interference effects. So, sound being a wave, we expect it to exhibit interference; we have already mentioned a few such effects, such as the beats from two similar notes played simultaneously.
If you flick a string, a traveling wave moves down it; if you do this continually, say once a second, you generate a traveling wave train with a frequency of 1 s -1 , or one wavelength per second, whe...If you flick a string, a traveling wave moves down it; if you do this continually, say once a second, you generate a traveling wave train with a frequency of 1 s -1 , or one wavelength per second, where the wavelength is the distance between successive peaks (or any other repeating feature) of the wave:
