Q: 83 (CDS-II/2007)

A ray of light is incident on a plane mirror at an angle 30° with the normal at the point of incidence. The ray will be deviated from its incidence direction by what angle ?
question_subject: 
Maths
question_year: 
2007
question_exam: 
CDS-II
stats: 
0,120,264,104,120,160,0