The horsefly Hybomitra lasiophthalma has a cuticle that is made up of a layer of chitin 89 nm think with an index of refraction of 1.73. This layer is on top of chitin with a smaller index of refraction (1.40). When light shines on the cuticle with an angle of incidence of 0o, what color will the cuticle appear? You may assume that the horsefly is in air. Explain/show your work.
*Color wavelength (nm)
Purple 380-450
blue 450-495
green 495-570
yellow 570-590
orange 590-620
red 620-750
The condition for constructive interference for our case is
Putting the values in the equation in SI units
And this wavelength corresponds to orange color.
The horsefly Hybomitra lasiophthalma has a cuticle that is made up of a layer of chitin...
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