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A convex spherical mirror has a focal length of -20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is the image located?

Answer

12 cm in front of the mirror

60 cm behind the mirror

60 cm in front of the mirror

none of the given answers

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1 answer

  1. (30*-20) / (30-(-20)) = -12

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