For a Diverging Lens with One Flat Surface,the Radius of Curvature

question 57

Multiple Choice

For a diverging lens with one flat surface,the radius of curvature for the curved surface is 27.0 cm.What must the index of refraction be so that the focal length is -15.0 cm?

• A) 0.56
• B) 1.56
• C) 2.80
• D) 1.90
• E) 1.80

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