A 4.5 cm needle is placed 12 cm away fro...

A `4.5 cm` needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification. Describe what happens as the needle is moved farther from the mirror.

`+4.5 cm`

`+6.7`cm

`-4.5` cm

`-6.7` cm

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