Question

The image of an object formed by a mirror is real, inverted and is magnification is -1 if the image is at a distance of 40 cm from the mirror, where is the object placed? where would the image be if the object is moved 20 cm towards in mirror? state the reason and also draw the ray diagram for the new position of the object to justify your answer.

Answer 1

Here is the answer in the attachment

Please mark answer as the brainliest

Answer 2

v=-40
magnification=-1=-v/u
so u =-1*-v
so u=-40

so using mirror formula
1/v+1/u=1/f
so f=-20

now u' be the new u=-20
so we can see that the object is placed at the focus therefore the image formed will be at infinity.