. A ray of light propagates from an optically
rare medium to an optically denser medium.
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Answer:
when a ray of light travels from optically denser medium to optically rarer medium; it always bend away from the normal. arrording to the snell's law:n2/n1=sini/sinr
Explanation:
for optically denser medium ;refraction index n1 is greater than that of the rarer medium n2 .thus ;the angle of refraction has to be greater than angle of incidense i.e. it bends away from the normal.
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