Answer to Question #312736 in Molecular Physics | Thermodynamics for Sam

Question #312736

The phase difference between two points on a progressive wave is 3𝜋/4


. What will be the


corresponding path difference?

1
Expert's answer
2022-03-16T18:28:36-0400

The phase difference is related with path difference by an equation

Δϕ=2πλΔx\Delta\phi=\frac{2\pi}{\lambda}\Delta x

So

Δx=Δϕ2πλ=3π/42πλ=3λ8\Delta x=\frac{\Delta \phi}{2\pi}\lambda=\frac{3\pi/4}{2\pi}\lambda=\frac{3\lambda}{8}


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