The size of the image is much larger than compared to that of the object. Therefore different types of images are formed when the object is placed, 1. Beyond the centre of curvature 3. Image formed by a concave mirror when the object is placed at infinity. And the second ray of light AE passing through the centre of curvature C is reflected along the same path forming the reflected ray EY. When the object AB is placed beyond the centre of curvature then a ray of light AD which is parallel to the principal axis and another ray AE which pass through the centre of curvature intersect each other after reflection at point A’ between the focus and centre of curvature. Ray diagram used arrow type lines to represent the incident ray and the reflected ray. If a curved mirror is a part of a sphere then it is known as a spherical mirror. The size of the image is smaller than compared to that of the object. Between the principal focus and pole, 1. Where an object should be placed in front of the concave mirror so as to obtain a real image equal to the size of the object. Test Your Understanding and Answer These Questions: Rules for obtaining images formed by spherical mirror, Rules for Obtaining Images by Spherical Mirrors. The size of the image is smaller than compared to that of the object. Figure 6. At the infinity 2. Different types of images are formed when the object is placed: The image formed in a convex mirror is always virtual and erect, whatever be the position of the object. When an object is placed behind the center of curvature, a real image is formed between the center of curvature and focus. There can be two types of mirror: Curved mirror and plane mirror. Different types of images can be formed by a concave mirror by changing the position of the object from the concave mirror. In this section, let us look at the types of images formed by a convex mirror. A convex mirror is also known as a diverging mirror as this mirror diverges light when they strike on its reflecting surface. Therefore, in this case the image is formed at the principal focus which is highly diminished, real and inverted. When the object is placed at infinity, the two rays AB and DE running parallel to the principal axis get reflected at point B and E respectively and intersect each other at the principal focus F on the principal axis. When an object is placed at a finite distance from the mirror, a virtual image is formed between the pole and the focus of the convex mirror. Hence, it is also known as a converging mirror. used arrow type lines to represent the incident ray and the reflected ray. In this article, we will learn about image formation by concave and convex mirrors. The size of the image is much smaller compared to that of the object. In this article, we will learn about image formation by concave and convex mirrors. This kind of mirror is known as a convex mirror. Ray 1 approaches parallel to the axis, ray 2 strikes the center of the mirror, and ray 3 approaches the mirror as if it came from the focal point. When the concave mirror is placed very close to the object, a magnified and virtual image is obtained. Put your understanding of this concept to test by answering a few MCQs. 3. If the object placed at the center of the mirror, image is also formed at center, real, inverted and with the same size as object. Thus the image formed in this case is at the centre of curvature, of same size as the object, real and inverted. Concave MirrorConvex MirrorImage Formation By Concave MirrorConcave Mirror Ray DiagramImage Formation By Convex Mirror, A mirror is a surface that reflects a clear image. Thus the image formed in this case is behind the mirror, highly enlarged, virtual and erect. DX and EY become parallel to each other so these rays cannot intersect each other and the image will be formed at infinity. The size of the image is the same as compared to that of the object. Thus the image formed is between the principal focus F and centre of curvature C, diminished, real and inverted. Image Formation in Concave Mirrors While drawing images of the object we benefits from the special rays given above. It also helps to trace the direction in which light travels. When an object is placed in between focus and pole, a virtual and erect image is formed. Apart from other applications, the convex mirror is mostly used as a rearview mirror in vehicles. The size of the image is smaller than compared to that of the object. These images are formed when light falls on a mirror from the object and is reflected back by the mirror on the screen.Â. This kind of mirror is known as a concave mirror. At the centre of curvature 4. And the second ray AE passing through the centre of curvature C is reflected along the same path forming the reflected ray EY. When the object AB is placed between the principal focus and the pole, then the parallel ray of light AD passes through the focus F giving us the reflected ray DX. A mirror is a surface that reflects a clear image. The image formed in this case will be highly enlarged, real and inverted. The image formed by a plane mirror is always a virtual image as it cannot be obtained on a screen. The size of the image is larger than compared to that of the object. When the object is placed between the principal focus and the pole. These images are formed when light falls on a mirror from the object and is reflected back by the mirror on the screen. Let’s start drawing images of the objects located in different parts of the mirror. When a ray, parallel to principal axis strikes concave or convex mirrors, the reflected ray passes through the focus on the principal axis. It also helps to trace the direction in which light travels. Stay tuned with CoolGyan to know more about concave-convex mirrors, plane mirrors, and much more. helps to trace the path of the light for the person to view a point on the image of an object. Images can be of two types: Real image and Virtual image.Â, An image that can be formed on the screen is known as a real image and the one which cannot be formed on the screen is known as a virtual image. Images can be of two types: Real image and Virtual image. Different types of images are formed when the object is placed: At the infinity; Beyond the center of curvature; At the center of curvature; Between the center of curvature and principal focus; At the principal focus To find this Click âStart Quizâ to begin! So, the image formed by the concave mirror can be small or large and it can also be real or virtual. 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