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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Jul 2007 20:53:28 IST
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What is the differrence between a real image and virtual image?
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6 Jul 2007 21:17:24 IST
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a real image is formed by real intersection of reflected or refracted rays.a virtual image is formed by apparent intersection of reflected or refracted.
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it is not important where u stand, but in which direction u are moving |
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6 Jul 2007 21:23:03 IST
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in case of a mirror, the reflecting side is the real side(object side).any image formed on this side is real image.in case of plane mirror, the image is formed behind behind the mirror due to apparent intersection of rays and is virtual.in case of concave mirror,except when the object is placede within the focus, all images are formed in front of the mirror due to real intersection of rays and are real.
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it is not important where u stand, but in which direction u are moving |
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6 Jul 2007 21:23:19 IST
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when two or more rays of light starting or appearing to start from a point after reflection or refraction actually meet at a point the latter point is called real image of the former when these two or more rays of light appear to meet at a point the second point is called virtual image of first one
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6 Jul 2007 21:24:35 IST
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in case of convex mirror all the images are formed in the backside due to apparent intersection of rays and are virtual
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it is not important where u stand, but in which direction u are moving |
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6 Jul 2007 21:25:36 IST
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real images can b focused on screen while virtual images cannot be focused on screen
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it is not important where u stand, but in which direction u are moving |
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7 Jul 2007 16:26:55 IST
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A real image is produced on a screen (or some other detector) when all of the rays from a single point on an object strike a single point on the screen. The intensity distribution on the screen is a reproduction of the intensity distribution emitted by the object. The image may be smaller or larger; it may be erect or inverted ? it is the one-to-one relationship between the image and the object that is important.
A virtual image is produced when rays of light reach our eyes that appear to come from a real object, but there is in fact no object at the apparent source of the light. The most common example is when light from an object strikes a simple plane mirror. The reflected rays appear to come from an identical object that is located behind the mirror. The spatial distribution of rays is completely consistent with what we would see if there really was an object behind the mirror. Note that we cannot actually place a screen at the point where the image appears to be.
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Bipin Kumar Dubey
Chemical Dept.
IIT Kharagpur
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7 Jul 2007 20:42:18 IST
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the image which we can take on the screen(or project) is called real image.the image which we cannot tke on the screen is called virtual image.
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25 Jul 2007 11:11:44 IST
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a real image is formed when rays after reflection of refraction or any such phenomenon of light actually meet at a point and a virtual image is formed when rays after reflection or refraction appear to meet at a point.in case of real image rays converse to a point to form the image whereas in case of virtual image rays appear to diverge out from the point that is the image.
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1 Aug 2007 19:50:59 IST
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you can see the REAL image but, u cannot see the VIRTUAL image . I think it's clear now.
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