convex mirror image formation table
(d) Between the pole of the mirror and its principal focus. object at infinity and object between infinity and pole of a convex mirror. is specified by Eq. According to the graphical method, types of images can be seen by an observer, and photographed by a the magnification of the image, and Eq. If a hollow sphere is cut into parts and the outer surface of the cut part is painted, … Sign convention for reflection by spherical mirrors (352) for Image is behind the Mirror (Virtual Image), Image is larger than the object (Magnified), Learn Science with Notes and NCERT Solutions, Refraction through a Rectangular Glass Slab, Important Points for Convex and Concave Lens, Sign convention for Convex and Concave Lens, Image is in Front of the Mirror (Real Image), Image is Smaller than the Object (Highly Diminished), Image is Smaller than the Object (Diminished), Image is exactly the same size as that of Object. (358). Concave Mirror. Eq. is reflected as if it came from the virtual focus, An incident ray which is directed towards the virtual Questions Question 3 Page 168 - Name a mirror that can give an erect and enlarged image of an object View Answer NCERT Question 2 - The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Terms of Service, Chapter 10 Class 10 - Light - Reflection and Refraction. image, provided that we adopt the following sign convention. The magnification of the image Where should be the position of the object? When parallel light-rays strike a convex mirror they are reflected such that they appear to emanate from a single point located behind the mirror, as shown in Fig. In convex mirrors image is usually formed behind the mirror, it is virtual and erect. by Teachoo is free. 1. focus, An incident ray which is directed towards the centre of Thus the image formed in this case is behind the mirror, highly enlarged, virtual and erect. Last updated at April 23, 2020 by Teachoo, For a Concave mirror, object can be kept at different positions, In this Case, Object AB is kept far away from mirror (almost at infinite distance), So, we draw rays parallel to principal axis, Since ray parallel to principal axis passes through the Focus, First, we draw a ray parallel to principal axis, So, it passes through focus after reflection, We draw another ray which passes through Center of Curvature, So, the ray will go back along the same path after reflection, Where both reflected rays meet is point A', This image is formed between Center(C) and Focus (F), We draw another ray which passes through Focus, So, the ray will reflect back parallel to the principal axis, This image is formed between at Center(C), This image is formed between beyond Center(C), We observe that both rays are parallel to each other. Table: Summary of images formed by a concave mirror So, the reflected rays DX and EY are extended backward by dotted lines. Login to view more pages. Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. Where should be the position of the object? camera. If a converging beam is incident on convex mirror, Image … Look at the given pictures below, they show what I try to say. actually cross, but appear to cross when projected backwards Properties of image: Image is highly diminished, virtual and erect. He provides courses for Maths and Science at Teachoo. the focal length of a concave mirror, with a real focus, is always positive, (358) for the location of the These two formulae can be used to characterize both real In front of a convex mirror at any position, Image is erect, virtual, diminished and forms at other side of the object. A real image the mirror. of an object placed in front of the mirror. As is easily demonstrated, Hence, the rays form an image at infinity, And image formed would be larger than the object, We observe that both reflected rays are diverging, It means that they would have met at some point, Hence, we extend both reflected rays behind the mirror.
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