Refractive index can be expressed as:
Speed of light, c = λf
From Plank's equation, Energy E = hf
This equation implies that the energy will remain constant hence the frequency of the light will also remain constant.
When light goes from one material into another material having a HIGHER index of refraction.
A) its speed decreases but its wavelength and frequency both increase
B) its speed, wavelength, and frequency all decrease
C) its speed increases, its wavelength decreases, and its frequency stays the same
D) its speed decreases but its frequency and wavelength stay the same
E) its speed and wavelength decrease, but its frequency stays the same
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