Question

avni stands 7 m in front of a plane mirror with a painting on a wall 2 m behind her . calculate the distance between :-
1 Avni and the image of the painting.
2Avni and her image .
3Avni's image and the image of the painting.
4Avni's image and the painting if Avni moves 2m towards the mirror.

Answer 1

2m
14m as she is 7m away from mirror from mirror her image will be formed 7m inside the mirror
2m
12m

Answer 2

Answer:

1. 16 (as Avni is standing 7m away from the mirror, the mirror image also has the same distance from the mirror and the image is 2m away from it.)

2. 2m (as the mirror image also has the same distance)

3. 14m (Avni is standing 7m away, and the mirror's also.)

4. 9m (as Avni's moving 2m away from the image, and the distance of the image from her image is 2m.)