Question

Figure shows two plane mirrors parallele to each other and an object O placed between them. Then the distance of the first three images from the mirror $M_2$ will be :

• A. 5, 10, 15
• B. 5, 15, 30
• C. 5, 25, 35
• D. 5, 15, 25

Answer 1

The correct option is C 5, 25, 35

$\begin{array}{c}{d}_1=5cm\\ d_2=10+10+5=25cm\\ d_3=10+10+10+5=35cm\end{array}$