Why is it difficult to read the image of the text of a page formed due to reflection by plane mirror? 

As is well knowledge, the image that forms in a plane mirror is always laterally reversed. Since the picture is not vertically inverted, we may interpret this to indicate that the left-hand portion of the image becomes the right-hand portion. This makes it similar to flipping an image.
As is well knowledge, a picture may be created with just two rays. So, if an image is generated in a plane mirror, we may say that it is simply inverted in the direction perpendicular to the mirror's surface. It implies that the right turns into the left and vice versa. Here, we learn that when an image forms in a plane mirror, the distance between the item and the mirror is the same as the distance between the image and the mirror. It appears to be an apparent picture flip along the vertical axis, as can be seen. The letters in the picture become laterally inverted as a result of the lateral inversion of the image, making it challenging to read the text.
We may infer that the picture is perfectly symmetrical to the object, hence the answer is (A).
Given that we are aware that an image created in a plane mirror is wholly genuine, we may state that the picture is both real and inverted and thus option (B) is incorrect.

Although reflection plays a significant part in the development of the picture, it doesn't reveal anything about the nature of the image. The image's characteristics are determined by the object's location and the kind of mirror, such as concave, convex, or flat. As a result, we may conclude that option (C) is incorrect.
As a result, we have trouble understanding the image's text, and we may thus conclude that option (D) is incorrect since it implies that there is no problem, which is definitely false.

Hence, the correct answer is option A.