Science, asked by smetkari1372, 1 year ago

if f1 and f2 are focal lenth of two lenses,what is relation for equivalent focal length?

Answers

Answered by nandini2106

5

equivalent power is P1+P2
so equivalent Focal length would be 1/F1+1/f2=F1+f2/f1f2
I guess

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