

InterviewSolution
Saved Bookmarks
1. |
29. A ray of light is incident at 50° on the middle of oneof the two mirrors arranged at an angle of 60°between them. The ray.then touches the secondmirror, get reflected back to the first mirror, makingan angle of incidence of(a) 50°(c) 70°tb 60°80° |
Answer» | |