Physics, 25.06.2021 15:20, saifulcrc468

What is the magnificanon of an optical instrument whose objective lens has a focal length of 82 cm, and whose eyepiece has a focal length of 28 cm? What is the overall length of the telescope when adjusted for a relaxed eye?

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What is the magnificanon of an optical instrument whose objective lens has a focal length of 82 cm,...