Question

if m = +4 then the mirror is​

Answer 1

Answer:

The mirror is. concave. This is in the last. case when the object is placed in between focus and Pole. we know that magnification is the ratio between the height of the image and the height of the object hence for the last case the height of the image above the principal axis is positive and the height of the object of the principle of this is also positive and hence the magnification is + 4 because the image formed is highly magnifed.