Question

In the given figure, a ray of light falls obliquely on a vertical glass slab and after refraction from slab
falls on a vertical plane mirror at angle X.
X
Normal
30°​

Answer 1

As the incident ray and the emergent ray are parallel to each other so here the emergence angle will also be 30° and by geometry the angle x will also be 30°

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Answer 2

Answer:

x = 60

Explanation:

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