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A dentist holds a small mirror 1.9

cm from a patient’s tooth. The image

formed is upright and 5

times as largeas the object. (a) Is

the image real or virtual? (b) What

is the focal length of the mirror? Is it

concave or convex? (c) If the mirror

is moved closer to the tooth, does the

image get larger or smaller? (d) For

what range of object distances does

the mirror produce an upright image?​