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Saturday, August 4, 2007
For concave mirror: [Object is beyond C] First draw an incident ray parallel to the principal axis starting from the tip of the object to the mirror and then draw the reflected ray passing through the focal point. Next draw an incident ray passing through the focal point starting from the tip of the object to the mirror. The reflected ray, just like the incident ray of the first ray, is parallel to the principal axis. It is recommended that only 2 rays be represented but having a third ray is optional. The incident ray of the third ray passes through the center starting from the tip of the object then is reflected back to the to the tip of the object. Do the same if you want for the tail of the object. Then if you have done the above procedures, connect the point where all the rays of the tip of the object intersect to the point where all the rays of the tail intersect. You should now have an image which is smaller than the original object and is inverted. Concave mirror is also called Converging mirror.
