Science, asked by ankitsanjodiya7, 6 months ago

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

Answers

Answered by Anonymous

3

Explanation:

आपका प्लस एक अवतल लेंस की फोकस दूरी 20 सेंटीमीटर है तो उसकी ठंडा क्या हो गया बताना दोस्तों एक दंता वन बाय फोकल लेंथ हो जाएगी दोस्तं धन्यवाद.

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