एक उत्तल लेंस की फोकस दूरी 40 सेमी है लेंस की क्षमता गणना कीजिए
Answers
Answered by
2
Answer:
2.5D
Explanation:
(p)=1/f
(p)=1/0.4m
(p)=10/4
(p)=2.5D
Answered by
3
Answer:
2.5D..... this is answer.......
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