• Bring your 2026 application questions to our open office hours with Emil Chuck, PhD, Director of Advising Services for HPSA, and get them answered live. Personal statements, secondaries, interview prep, school list strategy. Sunday, May 17 at 9 p.m. Eastern.
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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