(iii) Size of the image is same as that of the object. It means if you raise your left hand it would appear in the plane mirror that you have raised your right hand. With such uses and applications of the plane mirrors in the torchlights, they can be used at night and dark places for finding or searching for things. It cannot be received on a screen. In real image, the rays of light actually meet after reflection while in a virtual image it appears to meet but not actually meet. It can be either larger or smaller depending on the distance of the object to the mirror. A virtual image is produced when the light rays from a source don’t cross or meet at a point to form an image. Pro Lite, Vedantu We can classify mirrors as a convex mirror, concave mirror, or a plane mirror, based on the reflecting surface. (ii) The distance of the object in front of the mirror is equal to the distance of the image behind the mirror. Pro Lite, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. Pro Lite, Vedantu So mirrors are polished surfaces coated with mercury such that they reflect most of the light falling on them. Without the mirrors, it would have been extremely difficult for us to manage such things. On the other hand, a virtual image can never be captured or obtained on a screen, and it appears to be on the opposite side as that of the mirror. (III). The image formed by a plane mirror is at the same distance as the object in front of it. Characteristics of the image formed by a plane mirror : It is virtual; It is erect and of the same size as the object; The distance of the object from the plane mirror is the same as the distance of the image from the plane mirror. Through various activities, realise the characteristics of an image formed by a Plane Mirror. A virtual image is produced when the light rays from a source don’t cross or meet at a point to form an image. Also, the distance between the object and the mirror is equal to the distance between the mirror and the image. Characteristics and Features of the Image formed by a Plane Mirror. Plane mirrors are widely used for finding the explosives underneath the vehicles. Therefore, we can say that mirrors are polished surfaces, which are coated with Mercury (chemical symbol Hg) so that they can reflect most of the light that falls upon them. Similarly, the ray starting from A and travelling towards point C follows the law of reflection. In the case of a plane mirror, here we have used three images for better clarity in the ray diagram shown below. The images formed by a spherical mirror can either be real or virtual. Plane mirrors are widely used in flashlights and torchlights for reflecting the light beams and are even used for the same purpose in the overhead projectors. A virtual image is an image that is produced when the ray of light arising from an object appears to strike at a certain definite point. The size of the image is the same as the size of the object. As the real image is a result of the actual intersection of a light ray, it can be captured on screen. Your email address will not be published. Distinguish between real and virtual images. (iv) Image is formed at the same distance behind the mirror as the object stands in front of it. (II). Remember this – Characteristics of images formed by a plane mirror: An image formed by a plane mirror is a virtual image i.e it cannot be taken on a screen. Here we will be talking about the plane mirror only. So to form an image we require at least two rays from the object which meet or appear to meet at a point. (ii) It forms a virtual image. (i) Plane mirror forms an erect image. So, let's make ourselves familiar with the concepts of a plane mirror, along with its characteristics, uses, and applications. A plane mirror has various exclusive features and characteristics corresponding to the image that it forms, which are as follows: A plane mirror always forms a virtual image. Virtual images are images that are formed in locations where light does not actually reach. (iii) A virtual and erect image is formed. Furthermore, the prime use of a convex mirror in automobiles is that of the rearview mirrors since it always forms an erect image and gives a wider field of view due to its outward curve.
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