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27 Nov 2019
Light of wavelength 584 nm is incident normally on a film of water1.0 µm thick. The index of refraction of water is 1.33.
(a) What is the wavelength of the light in the water (nm)?
(b) How many wavelengths are contained in the distance 2t, where tis the thickness of the film? (Do not round your answer to a wholenumber.)
(c) What is the phase difference between the wave reflected fromthe top of the air-water interface and the one reflected from thebottom of the water-air interface in the region where the tworeflected waves superpose (in radians)?
Light of wavelength 584 nm is incident normally on a film of water1.0 µm thick. The index of refraction of water is 1.33.
(a) What is the wavelength of the light in the water (nm)?
(b) How many wavelengths are contained in the distance 2t, where tis the thickness of the film? (Do not round your answer to a wholenumber.)
(c) What is the phase difference between the wave reflected fromthe top of the air-water interface and the one reflected from thebottom of the water-air interface in the region where the tworeflected waves superpose (in radians)?
Casey DurganLv2
4 Nov 2019
