English, asked by deepaksuryvanshi58, 6 months ago

2 एक उत्तल लेंस की फोकस दूरी 40 से.मी. हैं। लेस की
क्षमता की गणना कीजिए।

Answers

Answered by tania784

0

Answer:

answer is -1.5 dioptre

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