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Question
In figure, (a) and (b), F1 and F2 are the two foci of thin lenses and AB is the incident ray. Complete the diagram to show the path of the ray AB after refraction through each lens.
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| (a) |
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| (b) |
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Solution
(a) Ray AB after refraction through convex lens takes the path as BC (parallel to the principal axis).
(b) Ray AB emerges parallel to the principal axis as BC after refraction.
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