Subjects/Basic Physics/Sound/Tube open at both ends14. SoundTube open at both endsIn 14. SoundFormulaCopy LaTeXfn=2Lnv,n=1,2,3,…Related formulasRelatedFrequencies of a string fixed at both endsfn=2Lnv,n=1,2,3,…Open formulaOpen in sectionRelatedTube closed at one endfn=4Lnv,n=1,3,5,…Open formulaOpen in section