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प्रश्न
Draw a diagram to represent the second focus of a convex lens.
आकृती
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उत्तर

Convex lens representing second focus.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Draw a diagram to represent the second focus of a convex lens.

Convex lens representing second focus.