A ray of light is incident on a plane mirror at an angle of 20°. This mirror is rotated through, twice this angle, In this new position the angle between the incident ray and the reflected ray is by Sunday | Aug 27 | Physics WAEC | 0 comments A. 20° B. 40° C. 80° D. 120° Correct Answer: Option B – 40° Users Also Read These:The angle of incidence of a ray of light on a plane…A ray of light strikes a plane mirror at a glancing…A ray of light is incident normally on a plan…An engineer intends to deviate a light ray from its…A ray of light makes an angle of 35° with a plane…