Question

Find the number of images formed with two mirrors when the angle between them is 40° and 180°

Answer 1

number of images=360÷angle-1

=360÷40-1=8

when angle is 40 then 8 images will form

by the same formula

n=360÷a-1

=360÷180-1

=1

if angle is 180 then 1 image will form

this ans will help u