A soap bubble is 95 nm thick and illuminated by white light incident perpendicular to its...

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Physics

A soap bubble is 95 nm thick and illuminated by white lightincident perpendicular to its surface.

The longest wavelength in nm which is constructively reflected,assuming soap has the same index of refraction as water (n = 1.33)is equal to 505.4 nm.

Draw a diagram of the mediums showing where, if any, a phasechange occurs.

State whether you are looking for constructive of destructiveinterference.

Answer & Explanation Solved by verified expert
4.1 Ratings (850 Votes)
Consider two light rays that are reflected as shown belowThe first ray enters the water and is reflected in the interfacewhere the second medium has a lesser refractive index than thefirst So there    See Answer
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