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Find the power of a convex lens if the image formed is at a distance of 10 cm from the lens when the object is placed on the other side of the lens at 40cm from the optical centre? - एक उत्तल लेंस की शक्ति का पता लगाएं‚ यदि छवि का गठन लेंस से 10 से . मी . की दूरी पर होता है‚ जब वस्तु को लेंस के दूसरे पक्ष पर ऑप्टिकल केन्द्र से 40 से . मी . की दूरी पर रखा गया है ?

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Find the power of a convex lens if the image formed is at a distance of 10 cm from the lens when the object is placed on the other side of the lens at 40cm from the optical centre? - एक उत्तल लेंस की शक्ति का पता लगाएं‚ यदि छवि का गठन लेंस से 10 से . मी . की दूरी पर होता है‚ जब वस्तु को लेंस के दूसरे पक्ष पर ऑप्टिकल केन्द्र से 40 से . मी . की दूरी पर रखा गया है ?






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