Science, asked by nrajak926, 5 months ago

एक उत्तल लेंस की फोकस दूरी 40 सेमी है लेंस की छमता की गणना कीजिए

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Answered by agyadevi98057

9

Answer:

एक उत्तल लेंस की फोकस दूरी 40 सेमी है लेंस की क्षमता 20 सेमी होगी ।

Explanation:

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