How are the images formed in a convex mirror when the object is moved from infinity to the mirror?
Understand the Problem
The question is asking about the behavior of image formation in a convex mirror as the object moves from a point at infinity toward the mirror. It seeks to understand how the characteristics of the images change during this process.
Answer
Image is virtual, diminished, and moves towards the mirror.
As an object moves from infinity toward a convex mirror, the image is formed at the focal point initially, and then moves along the principal axis toward the mirror. The image remains virtual, upright, and diminished throughout the motion.
Answer for screen readers
As an object moves from infinity toward a convex mirror, the image is formed at the focal point initially, and then moves along the principal axis toward the mirror. The image remains virtual, upright, and diminished throughout the motion.
More Information
A convex mirror always produces virtual images because the reflected rays diverge. These images are always smaller than the actual object, making convex mirrors useful for wide-angle views in vehicles.
Tips
A common mistake is to assume the image becomes real or larger as the object moves closer to the mirror. In a convex mirror, the image remains virtual, upright, and diminished.
Sources
- Images Formed by Convex Mirrors - CK-12 Foundation - flexbooks.ck12.org
- Image Formed by Convex Mirror | Physics | CK-12 Foundation - ck12.org
- Image Characteristics for Convex Mirrors - The Physics Classroom - physicsclassroom.com
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