Science, asked by ananyasaluja05, 7 months ago

Two lenses of power +2.50 D and -3.75 D are combined to form a compound lens. Its focal
length in cm will be
(a) 40
(b) -40
(c) 80
(d) -80
please attach the solution as well!

Answers

Answered by madhurimarthe15

0

Answer:

(C)80

Explanation:

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