When light travels from one medium to other whose refractive index is different, then which of the given will change?
When light travels from one medium to other whose refractive index is different, then which of the given will change?

Q. When light travels from one medium to other whose refractive index is different, then which of the given will change?

A.            Wavelength and velocity

B.            Frequency and wavelength

C.            Frequency and wavelength

D.            Frequency, wavelength and velocity

Answer: Wavelength and velocity
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