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Lens-Maker's Formula: a Double-Concave Lens Has Equal Radii of Curvature

Question 74

Multiple Choice

Lens-maker's formula: A double-concave lens has equal radii of curvature of $Lens-maker's formula: A double-concave lens has equal radii of curvature of An object placed from the lens forms a virtual image from the lens. What is the index of refraction of the lens material? A) 1.90 B) 1.98 C) 1.82 D) 1.77$ An object placed $Lens-maker's formula: A double-concave lens has equal radii of curvature of An object placed from the lens forms a virtual image from the lens. What is the index of refraction of the lens material? A) 1.90 B) 1.98 C) 1.82 D) 1.77$ from the lens forms a virtual image $Lens-maker's formula: A double-concave lens has equal radii of curvature of An object placed from the lens forms a virtual image from the lens. What is the index of refraction of the lens material? A) 1.90 B) 1.98 C) 1.82 D) 1.77$ from the lens. What is the index of refraction of the lens material?