Science, asked by sandeepbachhaniya7, 6 months ago

प्र012) एक उत्तल लेंस की फोकस दूरी 40 से.मी. हैं। लेंस की क्षमता लिखिए

Answers

Answered by rohitrajuikey

0

Answer:

power=1/focal length (in metee)

= 1/0.4 (40cm =0.4m)

= 2.5 diaptre

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