wavelength increases when speed of light is
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speed of light in a medium = frequency * wavelength
When a light wave enters a medium of refractive index > 1, its speed decreases, and the wave length decreases. Same way when a light ray enters a rarer medium from a denser medium, the speed increases and wavelength increases.
Frequency remains same as that of the original source of light.
But maximum speed of light = 3 * 10^8 m/s in vacuum.
speed of light in a medium = frequency * wavelength
When a light wave enters a medium of refractive index > 1, its speed decreases, and the wave length decreases. Same way when a light ray enters a rarer medium from a denser medium, the speed increases and wavelength increases.
Frequency remains same as that of the original source of light.
But maximum speed of light = 3 * 10^8 m/s in vacuum.
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