Q2Short answerExercise 7.4
The image of an object placed at a point A before a plane mirror LM is seen at the point B by an observer at D as shown in Fig. 7.12. Prove that the image is as far behind the mirror as the object is in front of the mirror. Fig. 7.12 [Hint: CN is normal to the mirror. Also, angle of incidence = angle of reflection].
This question refers to a figure in the original PDF.