Question
The refractive index of a certain glass is 1.5 for light whose wavelength in vacuum is 6000 . The wavelength of this light when it passes through glass is
[NCERT 1979; CBSE PMT 1993; MP PET 1985, 89]
[NCERT 1979; CBSE PMT 1993; MP PET 1985, 89]
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