In concave mirrors, the incident parallel light traveling parallel to the principal axis passes through the focal point when it reflects. Conversely, incident parallel light traveling through the focal point will then travel parallel when it reflects.

[am4show have=’p9;p58;’ guest_error=’Guest error message’ user_error=’User error message’ ]

Click here to go to next lesson on Ray Tracing for Concave Mirrors

[/am4show]