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Question
Question 7
A beam of light is incident through the holes on side A and emerges out of the holes 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
A beam of light is incident through the holes on side A and emerges out of the holes 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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Solution
(d) Convex lens
Since the rays emerging are bending towards the base, it is convex lens as all the parallel rays bend towards focus when incident on a convex lens.
Since the rays emerging are bending towards the base, it is convex lens as all the parallel rays bend towards focus when incident on a convex lens.
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