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AP Physics 2
13.2 Images Formed by Mirrors
BeginnerMCQConceptual18.2k
A horizontal line represents the principal axis. On the right side, a curved vertical arc bowing outward to the right represents a concave mirror, with its reflecting surface facing left toward the principal axis. The point where the axis meets the mirror is marked. On the principal axis to the left of the mirror, two tick marks are labeled F and C, where F is at a distance f from the mirror and C is at a distance 2f from the mirror. Position 1 is marked by a vertical arrow pointing upward on the principal axis at C. Position 2 is marked by a vertical arrow pointing upward on the principal axis at F. No ray paths, reflected rays, or images are drawn. No other labels, lines, text, or axes appear.
An object placed at two different positions in front of a concave spherical mirror.
An object is placed in front of a concave spherical mirror with a focal length \(f\). The object is initially located at position 1, at a distance of \(2f\) from the mirror. The object is then moved to position 2, located at a distance of \(f\) from the mirror. Which of the following claims and justifications correctly compares the image distance when the object is at position 1 to the image distance when the object is at position 2?

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