Question

An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is:​

Answer 1

object distance and image distance will always be equal in a plane mirror

Answer 2

Answer:

First one =40cm

Second one =36cm

Explanation:

How much distance we are away from the mirror

the same distance the image of the object will form.

Example

If I am 8cm away from mirror the image of the object will be 8cm away from the mirror . The distance between the real object and image will be 16cm .