Consider the interference colors seen in a film of gasoline on a wet street. The function of the water is to provide a
A) second reflecting surface.
B) means of slowing the rapid evaporation of gasoline.
C) chemical bond with the gasoline.
D) means of spreading the gasoline into a thin film.
E) all of these

Question

Quizplus · Accepted Answer

The water beneath the gasoline film acts as a second reflecting surface, which is crucial for the creation of interference patterns that result in the observed colors.

Consider the Interference Colors Seen in a Film of Gasoline