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  • A beam of light is incident through the holes on side A and emerges out of the holes on the other side of the box as shown in figure. Which of the following could be inside the box? (a) Concave lens (b) Rectangular slab (c) prism (d) Convex lens

A beam of light is incident through the holes on side A and emerges out of the holes on the other side of the box as shown in the figure. Which of the following could be inside the box?

(a) Concave lens
(b) Rectangular slab
(c) prism
(d) Convex lens

Answers (1)

Hence, the correct answer is option (d).

Explanation:-

The incident rays are parallel and emergent rays are diverging.

The concave lens is diverging in nature but the answer is the convex lens as you can see ray 10 which is at the top comes last after emerging out of the box, it means it converges first and then diverges as shown in the figure below.

Posted by

infoexpert23

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