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Design a spherical mirror, that shrinks the image of the viewer to one third of the...

Design a spherical mirror, that shrinks the image of the viewer to one third of the original size when looked at a distance of 1 m. The image should be upward (not upside down).

Science   Advanced-Physics   
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Answer #1

since the image should be upward and also be smaller than the object, so the spherical mirror must be convex.

so the required mirror must be convex with focal length of 0.5 m.

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