When Light Travels from Air into Water

question 73

Multiple Choice

When light travels from air into water,

• A) its frequency changes, but its velocity and wavelength do not change.
• B) its velocity, wavelength and frequency all change.
• C) its wavelength changes, but its velocity and frequency do not change.
• D) its velocity changes, but its frequency and wavelength do not change.
• E) its velocity and wavelength change, but its frequency does not change.

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