Why is refractive index in a transparent medium greater than one?
A. Because the speed of light in vacuum is always less than speed in a transparent medium.
B. Because the speed of light in vacuum is always greater than the speed in a transparent medium.
C. Frequency of wave changes when it Gasses medium.
D. None of the above.
Answer:B
Why is refractive index in a transparent medium greater than one?
A. Because the speed of light in vacuum is always less than speed in a transparent medium. B. Because the speed of light in vacuum is always greater than the speed in a transparent medium. C. Frequency of wave changes when it Gasses medium. D. None of the above.