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35. A light of wavelengthgets rotracted from vacuumto a medium of retractive index n. The, ratio ofwavelengths af incidant and refracted wave is(1) 1n(3) n:(4) 1

Answer» 35. A light of wavelengthgets rotracted from vacuumto a medium of retractive index n. The, ratio ofwavelengths af incidant and refracted wave is(1) 1n(3) n:(4) 1


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