Problem: White light is incident normally on a thin soap film (n = 1.33) suspended in air.What are the two minimum thicknesses that will destructively reflect yellow (λ = 590nm) light?

FREE Expert Solution

The equation for a destructive interference:

2ηt = mλ

Solving for t:

t = mλ/2η

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Problem Details

White light is incident normally on a thin soap film (n = 1.33) suspended in air.

What are the two minimum thicknesses that will destructively reflect yellow (λ = 590nm) light?

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