A reflecting, spherical Christmas tree ornament has a diameterof 8 cm. Achild lo

Question

A reflecting, spherical Christmas tree ornament has a diameterof 8 cm. Achild looks at the ornament from a distance of 6 cm.Describe the image she sees. a. Where is the image located?------cm b. Is it real or virtual? c. Is it upright or inverted? d. Is it magnified or reduced? A reflecting, spherical Christmas tree ornament has a diameterof 8 cm. Achild looks at the ornament from a distance of 6 cm.Describe the image she sees. a. Where is the image located?------cm b. Is it real or virtual? c. Is it upright or inverted? d. Is it magnified or reduced?

Explanation / Answer

focal length f=-8/4= -2 cm, it is convex mirror so the image should be virtual 1/6+1/d'=1/-2 =>d'=-1.5 cm , fromthe center of the mirror (b)virtual (c)upright (magnification k=-d'/d=0.25 >0) (d)reduced

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