Question: An object is located 7.0 cm in front of a mirror. The virtual image is located 4.5 cm away from the mirror and is smaller

An object is located 7.0 cm in front of a mirror. The virtual image is located 4.5 cm away from the mirror and is smaller than the object.
Concepts:
(i) Based solely on the fact that the image is virtual, is the mirror concave or convex, or is either type possible?
(ii) The image is smaller than the object, as well as virtual. Do these characteristics together indicate a concave or convex mirror, or is either type possible?
(iii) Is the focal length positive or negative? Explain.
Calculation: Find the focal length of the mirror.

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