Index of Refraction: Light having a wavelength in vacuum of 600 nm enters a liquid of refractive index 2.0. In this liquid, what is the wavelength of the light? (c = 3.0 × 108 m/s)
A. 1200 nm
B. 600 nm
C. 300 nm
D. 150 nm
E. 200 nm
Answer: C
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