Light that has a wavelength of is incident normally on a
Chapter , Problem 22(choose chapter or problem)
Light that has a wavelength of is incident normally on a film of water thick. (a) What is the wavelength of the light in the water? (b) How many wavelengths are contained in the distance where is the thickness of the film? (c) The film has air on both sides. What is the phase difference between the wave reflected from the front surface and the wave reflected from the back surface in the region where the two reflected waves superpose?
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