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Here we have to note down an interesting point.

If we have a source of light, then the rays starting right from the source would be diverging definitely. Hence if the rays coming from a source is of diverging type then the source is a real one. If otherwise the rays assumed coming from a source is converging type then we can declare that the source would be a virtual one.

Same manner to form an image on a screen the rays have to converge. So converging rays would give definitely a real image. If the rays which are destined to give an image are of diverging type then the image must be termed as virtual. To get the position of the virtual image we have to extend back the rays so as they meet at a point and we say that the rays appear to diverge from that point hence named as virtual image.

Thus we generalize this way.

In case of source if rays are of diverging then source is real, if converging then source is virtual.

In case of image formation, if rays are converging then real image and if diverging then virtual image.

This is the cute point to be realized and to be taught to the students of this generation.

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โˆ™ 2010-05-25 17:31:36
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Anonymous

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โˆ™ 2020-04-07 17:28:30

A real image is always inverted while a virtual image is always erect

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Q: What are virtual and real images and what is the difference between them?
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