The speed of light in medium X is greater than that in medium Y

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

The speed of light in medium X is greater than that in medium Y. Which of the following comparisons of their refractive indices is correct? (a) nX>nYn_X > n_Y (b) nX=nYn_X = n_Y (c) The relation cannot be predicted (d) nX<nYn_X < n_Y

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