Math, asked by rajkumarbanote, 3 months ago

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

Answers

Answered by luckytantway0101

2

Step-by-step explanation:

(p)=1/f

(p)=1/0.4m

(p)=10/4

(p)=2.5D

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