Science, asked by prabhanasingalodhi02, 4 months ago

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

Answers

Answered by vivekgakkhar0710

8

P=1/f

p=1/0.4 (40cm=0.4 m)

p=2.5 dioptre

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