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Physics, 30.03.2020 17:56, loveoneonly9154
An 7.5 × binocular has 3.7-cm-focal-length eyepieces. What is the focal length of the objective lenses? Express your answer to two significant figures and include the appropriate units.
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An 7.5 × binocular has 3.7-cm-focal-length eyepieces. What is the focal length of the objective lens...
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