Science, asked by ahirwarritik234, 4 months ago

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

Answers

Answered by priyadarshinisoumya0

3

Here,

f = 40cm = 40/100 m

P = 1/focal length in meter

= 1/ f

=1/(40/100)

= 100/40

= 2.5D

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