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A man standing 1.52 m in front of a shaving mirror produces aninverted image 18.0 cm in front of it. How close to the mirror should he stand if hewants to form an upright image of his chin that is twice the chin’s actualsize?

A child holds a candy bar 10.0 cm in front of a convex mirror andnotices that the image is only one-half the size of the candy bar. What is the radius of curvature of the mirror?

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