Question

1
Figure shows the incident ray.
refracted ray and emergent ray
in three media with refractive
indices ni, n2 and n3. The
incident ray and emergent ray
are parallel to each other.
(ignore the reflected ray in nt).
Then​

Answer 1

Answer:

when ray of beam will fall on mirror it will get reflected back in space by mirror in opposite direction such that it is parallel to incident ray and is called reflected ray