What is the speed of light in plastic? Light traveling in air is incident on the surface of a block of plastic at an angle of 72.7° to the normal and is bent so that it makes a 57.1° angle with the normal in the plastic. Find the speed of light in the plastic.

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Snell's law is the relation that describes the relationship between the angles of incidence and refraction, with respect to light waves passing through a boundary, such as air and plastic. The law states that the ratio of the sines of the angles of incidence and of refraction is...

(The entire section contains 154 words.)

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