Thanks. I found PF awhile ago but I have just been browsing for the most part until now.
I would expect the distances to be different beucase of that reason, however my professor said they should be the same.
so I don't know if I am doing it wrong, or he told us wrong.
My teacher assigned us 2 problems to do that were the exact same. One he wanted us to use the thin lenses equation, and the other he wanted us to use think lens equation. i need help becuase I don't know which one I am doing wrong and my answer is not lining up as it should, since they are the...