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InterviewSolution
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Himanshu has two lenses A and B. When he touches both the lenses he finds that A is thicker at the centre than at the edges and B is thinner at the centre as compared to its edges. He has to focus sunlight on a particular point. Which one of them can he use? |
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Answer» Himanshu has two lenses A and B. When he touches both the lenses he finds that A is thicker at the centre than at the edges and B is thinner at the centre as compared to its edges. He has to focus sunlight on a particular point. Which one of them can he use? |
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