Determine the thickness of the glass

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A very thin sheet of glass (n = 1.5) floats on the surface of water (n = 1.33). When illuminated with white light at normal incidence, the reflected light consists predominately of wavelengths 400 nm and 560 nm.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

What is the thickness of the glass?

What wavelengths would be visible if a thin layer of water of the same thickness were spread out on top of a thick piece of glass?

Reference no: EM13305599

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