Correct Answer:

Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection.
Here, according to the information provided, the mirror is placed at the right of the figure (on line MN). So, the left of the reflected image will appear as the right and the right will appear as the left. However, the bottom and top sides of the reflected image will remain the same.
Thus, the correct mirror image of the given figure will be –

Hence, the third option is correct.