|Magnification is\[-1\], it means distance of the image from the mirror is same as distance of object from the mirror and it happens only when the object is placed at centre of curvature of the mirror.|
|\[\therefore \] Object position: At C (centre of curvature) Object distance: 40 cm.|
|If the object is moved 20 cm towards the mirror then its new position would be at the focus of the mirror.|
|\[\therefore \] Position of the image: At infinity,|
You need to login to perform this action.
You will be redirected in 3 sec