Mirror ray tracing is similar to lens ray tracing in that rays parallel to the optic axis and A convex mirror forms a virtual image. Ray diagrams for mirrors. There are three types of mirrors: plane, convex and concave. Convex Drawing a ray diagram for concave mirrors is similar to drawing them for convex mirrors. Ray diagrams for concave mirrors were drawn in Lesson 3. In this lesson, we will see a similar method for constructing ray diagrams for convex mirrors.


RAY DIAGRAMS FOR CONVEX MIRRORS EBOOK

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RAY DIAGRAMS FOR CONVEX MIRRORS EBOOK

It's the location where all the reflected light appears to be coming from. Let's go step-by step how to draw a ray diagram. Draw a ray arrow parallel to the principal axis from a point on the object.

Ray Diagrams - Convex Mirrors

When the ray reaches the mirror, reflect the ray away from the mirror so that it looks like it's coming from the focal point. Continue ray diagrams for convex mirrors reflected ray behind the mirror with a dotted line. Step 1 in red Step 2: Draw another ray from the same starting point and aim it at the focal point.

When the ray reaches the mirror, reflect it away from the mirror parallel to the principal axis. Continue that parallel ray behind the mirror with ray diagrams for convex mirrors dotted line. Step 2 in blue Step 3: Draw another ray from the same starting point on the object aimed at the center of curvature.

When it reaches the mirror, reflect it directly back along itself. Ray 3 in green Where the rays intersect ray diagrams for convex mirrors where the image of the black arrow is located. The image is the smaller, vertical, black arrow, and is virtual All convex mirrors produce virtual images that are reduced in size.

The advantage of convex mirrors is they give a wider frame of view, which is why they are used in stores for security purposes, and outside rear-view mirrors in cars.

Ray Tracing: Convex & Concave Mirrors - Video & Lesson Transcript |

Ray diagrams for convex mirrors language written on outside rear-view mirrors is, ''objects in mirror are closer than they appear. Concave Mirrors Concave mirrors are inwardly curved mirrors. Think of the front of a shiny spoon.

These mirrors have focal points and centers of curvature on the front side of the mirror.

RAY DIAGRAMS FOR CONVEX MIRRORS EBOOK

Concave mirror Drawing a ray diagram for concave mirrors is similar to drawing them for convex mirrors. Draw the extensions until they intersect.

Ray Tracing: Convex & Concave Mirrors

The point of intersection is the image point of the top of the object. Both reflected rays would appear to diverge from this point. If your were to draw a third pair of ray diagrams for convex mirrors and reflected rays, then the extensions of the third reflected ray would also pass through this point.

This is merely the point where all light from the top of the object would appear to diverge from upon reflecting off the mirror. Of ray diagrams for convex mirrors, the rest of the object has an image as well and it can be found by applying the same three steps for another chosen point. Repeat the process for the bottom of the object.

The goal of a ray diagram is to determine the location, size, orientation, and type of image that is formed by the convex mirror.

Typically, this requires determining where the image of the upper and lower extreme of the object is located and then tracing the entire image. After completing the first three steps, only the image location of the top extreme of the object has been found. Thus, the process must be repeated for the point on the bottom of the object.

If the bottom of the object ray diagrams for convex mirrors upon the principal axis as it does in this examplethen the image of ray diagrams for convex mirrors point will also lie upon the principal axis and be the same distance from the mirror as the image of the top of the object.



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