Question

when light ray travels from denser to rarer medium the relation between rand I is​

Answer 1

Answer:

According to law of refraction of light: When a ray of light passes from rarer medium to denser medium ,it bends towards the normal. Similarly,when a ray of light passes from denser to rarer medium,it bends away from Normal. ... When a ray of light passes from rarer medium to denser medium ,it bends towards the normal.

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Answer 2

Answer:

When light travels from a denser medium to a rarer medium, it bends away from the normal, as illustrated to the left. This behavior follows from Snell's Law. As you saw before, the larger angle must be in the medium having the lower index of refraction. On the previous pages, that was medium 1, but here it is medium 2