A) its wavelength decreases.
B) its wavelength increases.
C) Its frequency decreases.
D) neither its wavelength nor its frequency changes.
Correct Answer: A
Solution :
[a] When the ray enters a glass slab from air, its frequency remains unchanged. Since glass slab in an optically denser medium, the velocity of light decreases and therefore we can conclude that the wavelength decreases.You need to login to perform this action.
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