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Part A Determine the desired focal length of the upper half of the glasses used to see distant objects. Express your answer with the appropriate units. f Submit ▾ Part B Templates Symbols Undo redo Pesat keyboard shortcuts Help P Value 12 Request Answer Determine the focal length of the lower half used to read a paper held 25 cm from his eyes. Express your answer with the appropriate units. Templates Symbols Undo rego Pesat keyboard shortcuts Help Units Units Value

Part A Determine the desired focal length of the upper half of the glasses used to see distant objects. Express your answer with the appropriate units. f Submit ▾ Part B Templates Symbols Undo redo Pesat keyboard shortcuts Help P Value 12 Request Answer Determine the focal length of the lower half used to read a paper held 25 cm from his eyes. Express your answer with the appropriate units. Templates Symbols Undo rego Pesat keyboard shortcuts Help Units Units Value

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A man who can produce sharp images on his retina only of objects that lie from 100 cm to 230 cm from his eyes needs bifocal lenses. Part A Determine the desired focal length of the upper half of the glasses used to see distant objects. Express your answer with the appropriate units. f₁= Value Templates Symbols Undo redo Teset keyboard shortcuts Help M Submit Part B f2 = Request Answer Determine the focal length of the lower half used to read a paper held 25 cm from his eyes. Express your answer with the appropriate units. Submit Templates Symbols Undo regio Units Value Request Answer Peser Units keyboard shortcuts help
Transcribed Image Text:A man who can produce sharp images on his retina only of objects that lie from 100 cm to 230 cm from his eyes needs bifocal lenses. Part A Determine the desired focal length of the upper half of the glasses used to see distant objects. Express your answer with the appropriate units. f₁= Value Templates Symbols Undo redo Teset keyboard shortcuts Help M Submit Part B f2 = Request Answer Determine the focal length of the lower half used to read a paper held 25 cm from his eyes. Express your answer with the appropriate units. Submit Templates Symbols Undo regio Units Value Request Answer Peser Units keyboard shortcuts help
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