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AP Physics 2
13.2 Images Formed by Mirrors
13.1 Reflection
IntermediateMCQConceptual15.1k
A schematic diagram showing a concave spherical mirror and an illuminated object inside a water-filled tank. A horizontal dashed line representing the principal axis passes through the center of a vertical curved line representing the concave mirror on the right side. On the left side of the principal axis, an upright solid arrow labeled 'Object' sits at a distance from the mirror. A vertical dashed rectangle labeled 'Screen' is placed between the object and the mirror along the principal axis. The entire arrangement of the object, screen, and concave mirror is enclosed within a rectangular outline labeled 'Water (n = 1.33)'. No light rays, construction lines, or images are drawn. No other labels, lines, text, or axes appear.
A concave mirror setup submerged in a tank of water.
A concave spherical mirror forms a clear, focused image of an object on a screen placed at a distance \(d_i\) from the mirror in air. The entire system—object, screen, and mirror—is then submerged in a container filled with water, keeping the object distance \(d_o\) fixed. To capture a sharp image on the screen, how must the screen distance be adjusted, and why?

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