Q:

What will the image formed by a convex spherical mirror always be?

A:

Quick Answer

Convex spherical mirrors always produce images that are upright, virtual, located behind the mirror and reduced in size. The location of the object relative to the mirror does not change these image qualities.

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Full Answer

Convex mirrors are called diverging mirrors because they cause incident light originating from the same point to divergently reflect off the mirror surface. Light rays that diverge off a convex mirror never intersect on the object side of the mirror. These properties mean that convex mirrors cannot be used to focus light or project an image on a screen.

The virtual images that convex mirrors form widen the field of view, enabling their usage as passenger-side vehicular mirrors. Objects in such mirrors appearing further away than they truly are can be attributed to the distorting effect that convex mirrors have on the image and consequently on the driver’s distance perception. Convex mirrors are often found in the hallways of hotels, hospitals, schools and apartment buildings, where they are mounted at blind corners, sharp turns and orthogonal intersections. People making these turns can look at the mirror to see around the bend of the hallway and avoid collisions. Such mounted safety mirrors are also used on roads and in alleys to facilitate pedestrian and motorist safety.

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Related Questions

  • Q:

    How do convex mirrors work?

    A:

    Convex mirrors work by reflecting parallel rays of light as if they all emanated from a single point somewhere behind the mirror. The distance between the actual surface of the mirror and this point depends on the level of curvature, with greater curvature resulting in lesser distance. Images in convex mirrors are distorted, with progressive compression of the image away from its center.

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  • Q:

    What is a convex mirror?

    A:

    A convex mirror is in the shape of a curve, and the reflecting surface bulges outward toward the source of light. Because convex mirrors reflect the light in an outward direction, they do not serve to focus light. Instead, these mirrors create a virtual image, because the center of curvature and the focus are imaginary and inside the mirror, which is not a real position. It is impossible to project images from a convex mirror onto a screen.

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  • Q:

    What is the difference between a cube and a cuboid?

    A:

    A cube is a six-faced, three-dimensional figure composed of square-shaped faces of the same size that meet at 90-degree angles, whereas a cuboid is a box-shaped object made of six faces that all meet at 90-degree angles. A cuboid shape can also be a cube if all sides are the same length, but not all cuboids are cubes. Cubes and cuboids contain eight vertices and 12 edges.

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  • Q:

    What are the properties of a cube?

    A:

    A cube is a solid that has six square faces of equal size that meet each other at right angles. A cube also has eight vertices (corners) and 12 edges. All the edges have the same length, and every corner in the cube has an angle of 90 degrees.

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