Question

If a ray falls normally on a glass slab, then

a. It goes straight
b. It moves towards the normal
c. It moves away from the normal
d. None of them


n = _________________


a. Sin i/ Sin r
b. Sin r/ Sin i
c. Both a & b
d. None of them
​

Answer 1

Answer:

Solution : When a ray of light falls on a glass slab normally, the angle between normal and incident ray is zero.

Explanation:

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