If mirror is level facing down
incoming ray is headed East 65 North which is 25 clockwise from North
outgoing ray is headed East 65 South which is 155 clockwise from North
turned from 25 to 155 which is 130 degrees
(which is 65 + 65 of course)
A ray of light shines on a mirror. The angle between the incident ray and the mirror is 65 degree.
What is the total angle turned by the ray of light?
1 answer