Question

Many instances of vibrant color in biology are due to thin-film interference. For instance, imagine a transparent segment of a dragonfly’s wing. It is 94.2 nm thick and is surrounded by air (n = 1) on both sides. The material it is made of has an index of refraction of 1.3.

Answer 1

1. R1 and R2 will interference

See the attachment for 2, 3 4 and 5 and the explanation for all.