Question

In the arrangement given, there are two rectangular glass slabs placed side by side as shown. A ray of light is incident from air onto the surface of glass slab-1 having refractive index u1 at an angle of incidence i. Thereafter, it moves through glass slab-2 of refractive index u2 and after the emerging from the glass slab-2, it reflects from a smooth surface horizontal plane mirror. The angle theta which reflected Ray makes with the mirror is​

Answer 1

Hey mate!

Answer to your question :

Option 2.

Answer 2

I think......

Option 4)

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