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A soap bubble with walls 421 nm thick floats in air. 1) If this bubble is...

A soap bubble with walls 421 nm thick floats in air.

1) If this bubble is illuminated perpendicularly with sunlight, what wavelength of visible light will be absent in the reflected light? Assume that the index of refraction of the soap film is 1.33.

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Answer #1

42lom Thickness t Refractive inden n = 1.33 must have nt = for destructive interference, MA ware length oth that ant Thus the

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