Physics, 20.07.2019 22:30 animegirl02

What is the refraction index of a medium? -the ratio of the velocity of light in the medium over the velocity of light in a vaccum-the ratio of the velocity of light ina vacuum over a velocity of light in the medium-the ratio of the angle of incidence over the angle of refraction-the ration of the angle of refraction over the angle of incidence

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What is the refraction index of a medium? -the ratio of the velocity of light in the medium over the...