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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago
A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 7.87 cm from the lens. What is the index of refraction of the lens material? 
A) 1.43 
B) 1.49 
C) 1.37 
D) 1.33 
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padrepadre
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10 years ago
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mikael Author
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10 years ago
Thanks for the physics help.
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