Standing wave - Second harmonic

[swollenchipmunk]

It was hard but I finally came. 

[jimmyboyG485]

Thank you, so much easier to understand when you can see it. The music doesn't hurt either.

[KakHazhar]

@jimmyboyG485 You're welcome :)

[mrvicadai]

so hypnotized

[gclef101]

thanks :)

[KakHazhar]

@gclef101 You're welcome :)