Virtual Image
Purpose
Demonstrates the fundamental difference between real and virtual images using a diverging lens. Students observe that a virtual image appears to occupy a definite location in space but cannot be captured on a screen placed there.
Figure 1:
Setup showing the diverging lens on an optical rail with the ABCD object card on a steel plate. The empty slide frame between the lens and card marks the virtual image location.
Figure 2:
View through the diverging lens showing the reduced, upright virtual image of the ABCD card. The slide frame is positioned at the same apparent depth as the virtual image.
Equipment
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Demo Apparatus
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