Answered

Which characteristic of a light wave must increase

as the light wave passes from glass into air?

(1) amplitude (3) period

(2) frequency (4) wavelength

Verified Answer :

kmatras1

The answer is 4.

The speed of light is faster in the air than in the glass, because a wavelength can be refracted in glass. Because the speed increases when the light wave passes from glass into air, the wavelength will also increase.

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