Question

find the number of image formed in plane mirror if the angle between the mirror are 90 dregee​

Answer 1

3 images

Step-by-step explanation:

90 ➡ When we simply use n=360/90 =4 we get an even number, but we should get an odd integer so we use other formula. So we get 3 images when the two mirrors are placed at 90 degree.