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:A ray of light incident at an angle θ in a…A ray of light is incident normally on a plan…A ray of light passing through the centre of…A ray of light is incident on an equilateral…A ray of light is incident at an angle of 30°on a…