A thin vertical arrow 10cm high is placed 20cm in front of a vertical plane mirror.
a. (i) Draw a ray diagram to locate the image of the arrow.
b. (ii) Explain why the image is upright (not inverted top-to-bottom) even though left and right are interchanged.
c. (iii) State the height and the distance of the image from the mirror, giving reasons for your answers.