A Double-Convex Thin Lens Has Radii of Curvature of Magnitude

question 10

Multiple Choice

A double-convex thin lens has radii of curvature of magnitude 46 cm, and it is made of glass of index of refraction 1.60. What is the focal length of this lens?

• A) infinite
• B) -19 cm
• C) 38 cm
• D) -30 cm
• E) 18 cm

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