18. Waves & Sound
Wave Interference
5:28 minutes
Problem 15.44d
Textbook Question
Textbook Question"(II) Suppose two linear waves of equal amplitude and frequency have a phase difference ϕ as they travel in the same medium. They can be represented by ₁ ₂ ω θ
D₁ = A sin (kx - ωt)
D₂ = A sin ( kx - ωt + ϕ).
(d) Describe the resultant wave, by equation and in words, if ϕ = π/2 ."
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