Music, asked by pawerr301, 5 months ago

एक अवतल लेंस की फोकस दूरी 40 सेंटीमीटर है लेंस की क्षमता की गणना कीजिए​

Answers

Answered by vishnumanidhar
1

Explanation:

difgbusywuudgr

ejuwuii,hrnux

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