Question

3. The distance between the object and its image formed by a plane mirror
appears to be 18 cm. What is the distance between mirror and the object?​

Answer 1

Answer:

when we stand at a distance of 2 meters from a plane mirror, we must focus at a location 2 meters behind the mirror in order to view our image. In this case, the distance between the object and its image formed by a plane mirror appears to be 24 cm. So, the object distance will be 24 / 2 = 12 cm.

Explanation:

Answer 2

Answer:

For example, if we stand at a distance of 2 meters from a plane mirror, we must focus at a location 2 meters behind the mirror in order to view our image. In this case, the distance between the object and its image formed by a plane mirror appears to be 24 cm. So, the object distance will be 24 / 2 = 12 cm.