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soap bubble (n = 1.40) having a wall thickness of 130 nm is floating in air.
(a) What is the wavelength of the visible light that is most strongly reflected?
=_______nm
(b) Explain how a bubble of different thickness could also strongly reflect light of this same wavelength.
(c) Find the two smallest film thicknesses larger than the one given that can produce strongly reflected light of this same wavelength.
=_________ nm
=______________nm
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