Why cant we obtain a virtual image on a screen?

  • Thread starter Raze2dust
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  • #1
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Main Question or Discussion Point

If we can see a virtual image, why cant we obtain it on a screen?
 

Answers and Replies

  • #2
Doc Al
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Because with a virtual image the light creating the image does not really originate at the apparent location of the image--and you need light in order to focus an image on a screen.
 
  • #3
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but then, isnt the retina of the eye a screen?
 
  • #4
Doc Al
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but then, isnt the retina of the eye a screen?
Sure. That's why the eye must focus a real image on the retina.
 
  • #5
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ah ok..so if we keep a lens in the place of the eye then we can obtain it on a screen behind the lens right? i'll just try that out..

thanks to my 8th grader younger bro to ask this question to me, so i now know how little physics i know :D
and of course thanks doc.
 
  • #6
Doc Al
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ah ok..so if we keep a lens in the place of the eye then we can obtain it on a screen behind the lens right? i'll just try that out..
Yes, do try it. A magnifying glass should work.
 

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