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Light Reflection and Refraction
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01/12/2020 12:31 pm
Topic starter
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?
(a) Concave lens
(b) Rectangular glass slab
(c) Prism
(d) Convex lens
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01/12/2020 12:33 pm
(d) Convex lens
Explanation:
From figure, it is clear that parallel rays converge at a point and emerges from face B. So convex lens would be possible inside the box.