Subjects/Basic Physics/WavesSection 13WavesPropagation velocityCopy LaTeXv=λfView detail →Period and frequencyCopy LaTeXT=f1View detail →Wave numberCopy LaTeXk=λ2πView detail →Angular frequency of a waveCopy LaTeXω=2πfAlsov=kωView detail →Traveling harmonic waveCopy LaTeXFor propagation toward +xy(x,t)=Asin(kx−ωt+ϕ)For propagation toward −xy(x,t)=Asin(kx+ωt+ϕ)View detail →Transverse velocity on a stringCopy LaTeXv=μFTwhereμ=LmView detail →Frequencies of a string fixed at both endsCopy LaTeXfn=2Lnv,n=1,2,3,…Allowed lengthsλn=n2LView detail →SuperpositionCopy LaTeXytotal=i∑yiView detail →Interference of two wavesCopy LaTeXConstructiveΔr=mλDestructiveΔr=(m+21)λView detail →Intensity of a waveCopy LaTeXI=APFor an isotropic point sourceI=4πr2PView detail →
Traveling harmonic waveCopy LaTeXFor propagation toward +xy(x,t)=Asin(kx−ωt+ϕ)For propagation toward −xy(x,t)=Asin(kx+ωt+ϕ)View detail →
Frequencies of a string fixed at both endsCopy LaTeXfn=2Lnv,n=1,2,3,…Allowed lengthsλn=n2LView detail →