Boundary Conditions to Define Allowed Waves: 1)Tie the Ends Down 2)Find a Standing Wave in the Box Allowed Standing Wave Ends are fixed at =0 always Not an Allowed Wave Not Even a Standing Wave Ends not Tied Down A Traveling Wave L-9Allowed Standing Wave Ends are fixed at Ψ = 0 always Not an Allowed Wave Ends not Tied Down Not Even a Standing Wave Boundary Conditions to Define Allowed Waves: 1) Tie the Ends Down 2) Find a Standing Wave in the Box A Traveling Wave II-9