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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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Posts: 3587
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7 years ago
A compound microscope has a 18-cm-long barrel and an objective lens with a focal length of 8.0 mm.  What is the focal length of the eyepiece to give a total magnification of 240? It is adjusted for minimum eyestrain for persons with a near point of 25 cm.
A) 1.3 m
B) 1.5 cm
C) 1.9 cm
D) 2.1 cm
E) 2.3 cm
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College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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#1
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7 years ago Edited: 2 years ago, bio_man
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Chery Author
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#2
7 years ago
Looked all over the internet for this, thank you for answering correctly
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#3
3 years ago
Looked all over the internet for this, thank you for answering correctly
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