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[: ...srorrim|mirrors... :] -[Ray Diagrams]-

Friday, August 3, 2007


Plane Mirrors:
Plane Mirrors
The animated image shown above is a way to get the object but here's my version:
1. First is to get two incident rays from a point of the tip of the image.
2. Get its reflected ray by applying law of reflection
3. Extend the two reflected rays.
4. Locate the intersection of the extension of the two reflected rays.
5. That intersection'll be the tip of the object.
6. To have the complete object, repeat steps 1-5 but instead of the tip is a point in the bottom of the image. Finally, connect the two intersections.
(You now have your reflected image!)



Concave Mirrors:
Concave Mirrors
Reminder: For less confusion, place an arrowhead upon each ray created to indicate its direction of travel for steps 1 and 2.
1. Pick a point on the top of the object and draw two incident rays traveling towards the mirror. The first incident ray must be parallel to the principal line and the second ray must pass the focal point.
2. Then, reflect the two incident rays as they hit the mirror by: Making a reflected ray passing back through the focal point for the first incident ray. For the second incident ray, make a reflected ray that will produce a ray parallel to the principal line.
3. Mark the intersection of the two reflected ray. That will now be the top of the object.
4. To have the complete image, repeat steps 1-3 now picking a point at the bottom. Connect the two intersections with a vertical line.
(You now have your object/complete image!)



Convex Mirrors:
Convex Mirrors
Reminder: For less confusion, place an arrowhead upon each ray created to indicate its direction of travel for steps 1 and 2.
1. Pick a point on the top of the object and draw two incident rays traveling towards the surface mirror. The first incident ray must be parallel to the principal axis. The second incident ray must pass through the focal point when the second incident ray is extended.
2. Get the reflected ray of the first incident ray by connecting the intersection of the first incident ray and the mirror with the focal point. (You can extend the ray as much as you want/need.) :] Now, get the second reflected ray, by getting the intersection of the second incident ray and the mirror then make a line parallel to the principal line passing through it. (You can extend this ray as much as you want/need too.) :]]

3. The top of your image will be the intersection of the extension of the two reflected rays that you created.
4. To have the complete image, repeat steps 1-3 now picking a point at the bottom. Connect the two intersections with a vertical line.
(You now have your object/complete image!)



Sources(Aug. 3, 2007):
Plane Mirrors -
http://www.glenbrook.k12.il.us/gbssci/phys/Class/refln/u13l2c.html
Concave Mirrors -
http://www.glenbrook.k12.il.us/gbssci/phys/Class/refln/u13l3d.html
Convex Mirrors -
http://www.glenbrook.k12.il.us/gbssci/phys/Class/refln/u13l4b.html
(The images were originally plain and they were individually separated. I compiled it per mirror and I added an animated effect. Extra effort.) :]]
(Also, I used some of the ideas from the sources I stated but my work is not a copy-paste work.) :]



-pink.adik
Y
1:32 AM


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