Light from a point source at Ä"(7,0,0) strikes a small mirror at the origin O , the normal to which has direction ratios (2,1,2). Find the actual direction cosines of the reflected ray.

Results 1 to 1 of 1

- March 7th 2010, 07:03 AM #1

- Joined
- Feb 2010
- Posts
- 4