- #1
TomHepp
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Homework Statement
A soap bubble of refractive index 1.33 is illuminated by white light perpendicular to its
surface and viewed normal to its surface. What is the minimum thickness of the bubble for
which brightly-coloured reflected light would be seen?
Homework Equations
[tex]\lambda=4nt[/tex]
The Attempt at a Solution
How do you solve this without knowing the wavelength?