Question

A person standing in front of a plane mirror 2m away seems to be

Answer 1

The characteristics of an image formed in a plane mirror:

image formed is virtual ie image cannot be projected or focused on a screen

the distance of the image ‘behind’ the mirror is the same as the distance of the object in front of the mirror

the size of the image formed is the same as the size of the object

the image is laterally inverted ie left-right reversal of the orientation of the image, not top-down vertical reversal eg PHYSICS becomes SCISYHP

altitude/orientation is always upright.

Answer 2

4 m
because distance between person to mirror is 2 m. and the reflection of the person in the mirror is 2m

2m+2m=4m