Question

Two plane mirrors are placed making an angle ${60}^{\circ }$ in between them. For an object placed in between the mirrors, the number of images formed will be :

(a) 3

(b) 6

(c) 5

(d) infinite

Answer 1

No of images formed $=\frac{360}{angle}-1$

$=\frac{360}{60}-1$

$=6-1=5$

(c) 5 images will be formed