{"id":1744,"date":"2020-12-03T11:51:47","date_gmt":"2020-12-03T06:21:47","guid":{"rendered":"https:\/\/cbselibrary.com\/?p=1744"},"modified":"2020-12-03T15:29:33","modified_gmt":"2020-12-03T09:59:33","slug":"image-formed-spherical-mirror","status":"publish","type":"post","link":"https:\/\/cbselibrary.com\/image-formed-spherical-mirror\/","title":{"rendered":"How is the Image Formed by a Spherical Mirror?"},"content":{"rendered":"
Image formation by Spherical mirror in different cases<\/span><\/strong> People also ask<\/strong><\/p>\n <\/p>\n Aim:<\/strong> To study the nature of images formed by convex and concave mirrors. How is the Image Formed by a Spherical Mirror? Image formation by Spherical mirror in different cases Introduction: From mirror formula, we find that for a mirror of a fixed focal length f, as object distance u changes, image distance n also changes. Image Formed by\u00a0Concave mirror Object at Infinity A point object lying on … Read more<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[404],"tags":[3996,3997,608,609,610],"yoast_head":"\n
\nIntroduction: <\/strong>From mirror formula, we find that for a mirror of a fixed focal length f, as object distance u changes, image distance n also changes.<\/p>\nImage Formed by\u00a0Concave mirror<\/strong><\/span><\/h3>\n
\n
\nA point object lying on the principal axis. Rays come parallel to the principal axis and after reflection from the mirror actually meet at the focus F.
\nThe image is formed at F. It is real and point sized (fig.)
\nFig. <\/strong>Concave mirror: point object at infinity, image at focus.<\/li>\n
\nReal object AB has its image A’B’ formed between focus and centre of curvature. The image is real-inverted and diminished.
\nFig. <\/strong>Concave mirror: object beyond centre of curvature, image between focus and centre of curvature.<\/li>\n
\nReal object AB, has its image A’B’ formed at centre of curvature.
\nThe image is real-inverted and has same size as the object. (fig.).
\n Fig. <\/strong>Concave mirror: object at centre of curvature, image at centre of curvature<\/li>\n
\nReal object AB has its image A’B’\u00a0formed beyond centre of curvature.
\nThe image is real-inverted and enlarged (bigger in size than the object). (Fig.)
\nFig. <\/strong>Concave mirror: object between centre of curvature and focus, image beyond centre of curvature.<\/li>\n
\nReal object AB has its image formed at infinity.
\nThe image is imaginary inverted (reflected rays go downward) and must have very large size.
\nFig. <\/strong>Concave mirror: object at focus image at infinity.<\/li>\n
\nReal object AB has its image A\u00a2B\u00a2 formed behind the mirror. The image is virtual-erect and enlarged.
\n Fig.<\/strong> Concave mirror: Object between pole and focus, image behind the mirror.<\/li>\n<\/ol>\n\n
Image Formed by\u00a0By convex mirror<\/strong><\/span><\/h3>\n
\n
\nA point object lying on the principal axis.
\nRays come parallel to the principal axis and after reflection from the mirror, appear to diverge from focus F behind the mirror.
\nThe image is formed at F.
\nThe image is virtual and point sized. [fig.]
\nFig.<\/strong> Convex mirror: point object at infinity, virtual image at focus.<\/li>\n
\n Image is virtual & point sized.<\/li>\n<\/ol>\nCharacteristics of the Image Formed by a Concave Mirror<\/h3>\n
\n<\/p>\nCharacteristics of the Image Formed by a Convex Mirror<\/h3>\n
Image Formed by a Spherical Mirror Experiment<\/h3>\n
\nMaterials needed:<\/strong> Concave mirror, convex mirror, a sheet of white paper, a well-lit window, and
\nadhesive tape.
\nMethod:<\/strong>
\nFor concave mirror<\/p>\n\n
\n(a) Is it a real or a virtual image?
\n(b) Is the image inverted or upright?
\n(c) Is the image smaller or bigger than the object?<\/li>\n
\nNote down your observations for the following questions:
\n(a) Is the image inverted or upright?
\n(b) Is the image upright when the mirror is closer to your face or farther away?
\n(c) Is the image of your face (when it is upright) smaller or bigger than your face?
\n(d) Is the image of your face (when it is inverted) smaller or bigger than your face?<\/li>\n