InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    A ray of light makes an angle of 10∘ with the horizontal above it and strikes a plane mirror which is inclined at an angle θ to the horizontal. The angle θ for which the reflected ray becomes vertical is | 
                            
| 
                                   
Answer»  A ray of light makes an angle of 10∘ with the horizontal above it and strikes a plane mirror which is inclined at an angle θ to the horizontal. The angle θ for which the reflected ray becomes vertical is  | 
                            |