After a short rain shower, you notice colors like blotchy rainbows on the

B

bigaksam

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pavement of your school....? After a short rain shower, you notice colors like blotchy rainbows on the pavement of your school parking lot. This is caused by gasoline floating on water. If the thickness of this gasoline film is 400nm and gasoline has an index of refraction of 1.2, what is the visible wavelength of the white light incident upon it from air that has a maximum intensity after the light is reflected? Index of refraction of water is 1.33
A.380nm
B.430nm
C.480nm
D.580nm
E.780nm
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