popopopop

7+ Year Member
Dec 18, 2011
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Medical Student
I'm not that great with optics, but trying my best to understand more concepts like you. There are charts and pdfs all over google that summarizes what the answer choice stated. To the "infinite distance" portion, if you plug in the lens equation, you'll see that di essentially is the same as focal length since 1/100 m is so small. 1/di + 1/100 m = 1/.024 m
 
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