When light is refracted from air into glass [IIT 1980; CBSE PMT 1992 – McqOptions

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1.	When light is refracted from air into glass [IIT 1980; CBSE PMT 1992; MP PET 1999; MP PMT 1999; RPMT 1997, 2000, 03; MH CET 2004]
A.	Its wavelength and frequency both increase
B.	Its wavelength increases but frequency remains unchanged
C.	Its wavelength decreases but frequency remains unchanged
D.	Its wavelength and frequency both decrease
Answer» D. Its wavelength and frequency both decrease

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