Science, asked by shivanikachhi616, 5 months ago

प्र012 एक उत्तल लेंस की फोकस दूरी 40 से.मी. हैं। लेंस की क्षमता की गणना कीजिए।
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Answers

Answered by kushwahaanjali979

8

Answer:

2.5 d

Explanation:

f = 40 cm

p = ?

p = 100/f d

= 100/40

= 5/2

= 2.5 d answer

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