$A$ wall clock has marks instead of numbers. It is placed opposite to a mirror. The time observed in the mirror reflection is $8:20$. What is the actual time on the clock?

In the figure shown,how many images of the star will an observer at $O$ see?

$A$ clock hung on a wall has marks instead of numbers on its dial. On the opposite wall there is a mirror,and the image of the clock in the mirror,if read,indicates the time as $8:20$. What is the actual time in the clock?

Find the velocity of the image with respect to the mirror.

Which one of the following statements is true?

Two mirrors,labeled $LM$ for left mirror and $RM$ for right mirror in the adjacent figure,are parallel to each other and $3.0 \, m$ apart. $A$ person standing $1.0 \, m$ from the right mirror $(RM)$ looks into this mirror and sees a series of images. How far from the person is the second closest image seen in the right mirror $(RM)$ (in $, m$)?