Science, asked by wwwsurendraahirwar, 4 months ago

एक उत्तल लेंस की फोकस दूरी 40 सेंटीमीटर है लेंस की क्षमता की गणना ज्ञात कीजिए

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Answered by hemendrakumar125019

5

Answer:

correct answer is 2.5D

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