Physics
Light of wavelength 6000 Å in air enters a medium of refractive index 1.5. What happens to its frequency?
Refraction Plane Surfaces
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Answer
When light enters another medium, its speed and wavelength change, but its frequency remains unchanged because frequency is determined by the source of light.
Therefore, when light of wavelength 6000 Å in air enters a medium of refractive index 1.5, its frequency does not change.
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