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Q. 39

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 991

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Short Answer

An object is in front of a concave mirror with a focal length of . Use ray tracing to locate the image. Is the image upright or inverted?

The picture is behind the mirror, upright, and at a distance of

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Step by Step Solution

Step: 1 Principles:

Ray is reflected via the focus point and drawn parallel to the optical axis.

Ray is reflected parallel to the optical axis after passing past the focus point (or as if emanating from the focal point if ).

Ray passes through the mirror's centre and reflects at an angle of similar magnitude on the opposite side of the optical axis.

Step: 2 Datas:

The data's are,

Concave mirror

Distance object to mirror is

Focal length is

Step: 3 Tracing:

The ray-tracing diagram is shown in Figure. A scale is placed on the optical axis. The focal point of the mirror is drawn and noted. With its base on the optical axis, the item is represented as an arrow. The three specific rays specified in the Concepts and Principles section are drawn from the tip of the arrow. The image's tip is the spot where the three rays converge.


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