Question

a girl is standing at a distance of 2 metres from a plane mirror. if she moves 1 m backward,find the distance between the image and the girl

Answer 1

total distance from mirror is 2+1=3
same distance inside the mirror =3

so total distance from image is =6m

Answer 2

The new distance = 2+1 = 3m
Distance from the Image = 3×2 = 6m