When a Beam of Light, Originally Traveling in Air, Enters $3 / 2$

question 22

Multiple Choice

When a beam of light, originally traveling in air, enters a piece of glass having an index of refraction of $3 / 2$ , its wavelength

• A) is unaffected.
• B) increases by a factor of \(3 / 2\).
• C) is reduced to \(2 / 3\) its original value.

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