A light wave of certain frequency moves from air to glass, then, its
(a)	wavelength does not change.	(b)	frequency does not change but wavelength changes.
(c)	frequency changes.	(d)	frequency and wavelength both change.

Question ID - 101002 | SaraNextGen Top Answer

A light wave of certain frequency moves from air to glass, then, its
(a)	wavelength does not change.	(b)	frequency does not change but wavelength changes.
(c)	frequency changes.	(d)	frequency and wavelength both change.