Raze2dust Messages 63 Reaction score 0 Thread starter May 4, 2008 #1 If we can see a virtual image, why can't we obtain it on a screen?
Doc Al Mentor Messages 45,589 Reaction score 2,474 May 4, 2008 #2 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.
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.
Raze2dust Messages 63 Reaction score 0 May 4, 2008 #3 but then, isn't the retina of the eye a screen?
Doc Al Mentor Messages 45,589 Reaction score 2,474 May 4, 2008 #4 Raze2dust said: but then, isn't the retina of the eye a screen? Sure. That's why the eye must focus a real image on the retina.
Raze2dust said: but then, isn't the retina of the eye a screen? Sure. That's why the eye must focus a real image on the retina.
Raze2dust Messages 63 Reaction score 0 May 4, 2008 #5 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.
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.
Doc Al Mentor Messages 45,589 Reaction score 2,474 May 4, 2008 #6 Raze2dust said: 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.
Raze2dust said: 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.