Q. A ray of light is incident on a plane mirror at an angle of incidence 300. The ray after reflection is deviated through:
A. 30 degree
B. 60 degree
C. 90 degree
D. 120 degree
Answer: 120 degree
A. 30 degree
B. 60 degree
C. 90 degree
D. 120 degree
Answer: 120 degree