How many phase changes do the reflected rays undergo

Reference no: EM13540355

A sheet of glass (n=1.50) is coated with a 500 nm thick layer of cubic zirconia (n=2.18). Assume the wavelengths of visible light lie between 400nm to 710 nm.

a) How many phase changes do the reflected rays undergo ?
b) Which visible wavelengths interfere constructively ?
c) What visible wavelengths interfere destructively ?
d) What is the maximum thickness the layer can have so that NO visible wavelengths interfere constructively?

Reference no: EM13540355

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