Concept explainers
To Explain: The cameras cannot focus properly for photographs of mirror images.
Explanation of Solution
Introduction:
Mirror is a smooth polished surface that reflects the image. The property on which it works is the specular reflection. A person standing in front of mirror, the image that appears behind the mirror.
The mirror image is the virtual image that appears behind the camera. For example, a person standing in front of camera at a distance of one metre, the image will appear one metre behind the mirror. So, it will be two metres of total distance between a person and the image behind mirror.
When sonar beam sent to the mirror it simply hits and bounces back from the mirror, thus the camera focuses on the mirror only and not on the image. Therefore, the camara does not focus properly and the images will be poor.
Conclusion: The camera focuses on the mirror but not on the image that is behind the mirror which results in poor quality of photograph.
Chapter 29 Solutions
Conceptual Physics: The High School Physics Program
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