What Is the Focal Length of a Contact Lens That

question 45

Multiple Choice

What is the focal length of a contact lens that will allow a person with a near point of 125 cm to read a physics book held 25.0 cm from his eyes?

• A)-100 cm
• B)-31.3 cm
• C)10.2 cm
• D)20.8 cm
• E)31.3 cm

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