General Science • PhysicsMedium
When a ray of light enters a denser medium from a rarer medium, which of the following characteristics of light changes due to the change in wave velocity?
A. Frequency only
B. Wavelength and velocity only✓ Correct Answer
C. Frequency and wavelength only
D. Amplitude, frequency, and wavelength
💡 Solution & Explanation
When light travels from one optical medium to another, its speed and wavelength change in proportion to the refractive index of the media, whereas its frequency remains strictly constant because frequency is determined solely by the source of light. The refractive index is defined as the ratio of the speed of light in vacuum to the speed of light in the medium.
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