light of wavelength 5000A in air enters a medium if refractive index 1.4 what will be it's frequency in medium
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Explanation:
The frequency of light does not change on refraction. So frequency of light in the medium= 5×10^14 Hz. To keep the frequency unchanged, the wavelength of light in the medium also decreases by the same factor as the decrease in the velocity of light. So altered wavelength of light in the medium= 6000A°/1.5 = 4000A° .
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Hyyy...
=> The frequency of light does not change on refraction. So frequency of light in the medium= 5×10^14 Hz.
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