Environmental Sciences, asked by abhaymaravi868, 5 months ago

12 एक उत्तल लेंस की फोकस दूरी 40 से.मी. हैं।लेंस की क्षमता की गणना कीजिए। 3
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Answers

Answered by sp09082009

0

Explanation:

12 1 12 एक उतारने लिंक के फैक्स द्वारा

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