A number of images can be seen in a thick mirror. The brightest one is\

Question

Professor PC Thomas Classes · Answer

$\mathrm{I}_{1}$ is the image formed by reflection at A . It is a faint image because only a small portion of the light is reflected at A . The major portion gets reflected at B and the second image is formed at $\mathrm{I}_{2}$. It is the brightest image. Light getting reflected at B falls on A and gets reflected. This produces an image behind O which is not shown in the figure. The light reflected by A falls on B again and forms the image at $\mathrm{I}_{3}$ are formed on either side. They all will be very faint.\