If the mirror is placed on the line MN, then which of the following answer figures is the right image of the given figure?

When the mirror is placed on the line MN,

The facing of the figure to the left and right direction changes to the opposite direction in the mirror image(left facing changes to right and vice versa). There won't be change in top and bottom direction.

The triangle which is on the top left will be on the top right in the mirror image.

The circle which is on the top right will be on the top left in the mirror image and the vertical line inside the circle remains same in the mirror image.

$$\therefore\ $$The mirror image of the given figure is

Hence, the correct answer is Option A