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When a monochromatic light passes from vacuum to a medium and vice versa |
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Answer» When a monochromatic light passes from vacuum to a medium like solid or liquid, the refractive index is increased in the SECOND medium, the speed of light DECREASES, the wavelength decreases, and frequency will remain unaffected. The VICE VERSA goes for when a monochromatic light passes from a medium to vacuum, and the frequency will still remain unchanged because it doesn't depend on the medium through which light travels but it depends on the SOURCE of the light. |
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