A beam of light is incident through the holes on side A and emerges out of the hole on the other face of the box as shown in the figure. Which of the following could be inside the box? [NCERT Exemplar Problems]
(a) Concave lens
(b) Rectangular glass slab
(c) Prism
(d) Convex lens
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prism option C
I think so.
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Answer:
option a : concave lens
Explanation:
As a concave lens diverges paraxial rays it is placed insode the box
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