Thin Films: Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.5. What is the frequency of the light inside the glass? (c = 3.0 × 108 m/s)
A. 3.3 × 1014 Hz
B. 5.0 × 1014 Hz
C. 3.3 × 105 Hz
D. 5.0 × 105 Hz
Answer: B
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