A ray from a fixed object is incident on a plane mirror at an angle of 20°. If the mirror is rotated through 30° by how many degree would the reflected ray rotate? by Sunday | May 20 | Physics WAEC | 0 comments A. 60° B. 50° C. 40° D. 30° Correct Answer: Option A A. 60° Users Also Read These:A ray of light is incident at an angle of 30°on a…A ray of light makes an angle of 35° with a plane…An object is placed 15cm in front of a plane mirror.…A ray of light is incident on a plane mirror at an…A ray of light is incident on mirror m1 and after…