Physics, asked by adarshpari02, 7 months ago

Q.5)What is focal length of the combination if -2D and +3D lens are combined?

Answers

Answered by Anonymous

3

AnswEr :

Power of 1st lens = - 2D
Power of 2nd lens = +3D

Let, combination power be P'

P' = -2 D + 3D

P' = 1 D

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