Which statements correctly describe the direction of propagation of one-dimensional travelling waves?
Select all that apply

Question

Which statements correctly describe the direction of propagation of one-dimensional travelling waves?

G1 Physics · Accepted Answer

A right-moving profile must preserve its form as x increases with t, leading to the combination x−vt. A left-moving profile uses x+vt. The sinusoidal forms are special cases with v = ω/k. Thus all four statements are correct.