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Question
A beam of parallel light rays is incident through the holes on one side of a box and emerges out through the holes on its opposite side as shown in the diagram below : Which of the following could be inside the box ? (a) a rectangular glass block (b) a concave lens (c) a convex lens (d) a glass prism
A beam of parallel light rays is incident through the holes on one side of a box and emerges out through the holes on its opposite side as shown in the diagram below : Which of the following could be inside the box ? (a) a rectangular glass block (b) a concave lens (c) a convex lens (d) a glass prism
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Solution
(c) a convex lens
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