Science, asked by ns4986433, 6 months ago

10. एक उभयोत्तल लेंस = 1.5) के प्रत्येक तल की वक्रता त्रिज्या 20
सेमी है। लेंस की क्षमता है-
[2012A]

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Answered by Anonymous

0

Answer:

f=20.............

...........

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