A Monochromatic (Single Frequency, Single Wavelength) Light Ray in Air

question 12

Multiple Choice

A monochromatic (single frequency, single wavelength) light ray in air (n = 1) enters a glass prism (n = 1.5) . In the glass prism

• A) both the frequency and the wavelength are the same as in air
• B) the frequency is the same, but the wavelength is greater than in air.
• C) the frequency is the same, but the wavelength is smaller than in air.
• D) the wavelength is the same, but the frequency is greater than in air.
• E) the wavelength is the same, but the frequency is smaller than in air.

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