Math, asked by pragalbhaellenpunnen, 19 days ago

an optician placed two convex lens of power +2D and +0.25D infront of a persons eye during eye testing. he immediately thinks that instead of these two a single lense can be used. find the power of single convex lens

Answers

Answered by amoghnasa

0

Power of combined lens is simple addition

P = 2+0.25

P= 2.25 D

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