Question: Light of wavelength 550 nm in air is normally incident

Light of wavelength 550 nm in air is normally incident on a glass plate (n = 1.5) whose thickness is 1.1 x 10-5 m.
(a) What is the thickness of the glass expressed in terms of the wavelength of light in glass?
(b) How many reflected waves will experience the phase shift?
(c) Will the reflected waves interfere constructively or destructively?

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  • CreatedAugust 29, 2015
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