Physics Review Question

Unit: Optics
Year: 1996 Question#: 92
Question: The diagram at the right represents an object placed two focal lengths from a converging lens. At which point will the image be located?

(1 ) A
(2 ) B
(3 ) C
(4 ) D

What is this question really asking?

Explanation by: LJG

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Answer 1


It is possible for an virtual image to form here, but only if the object is placed between the focal point and the lens. return to top

Answer 2


The image cannot be at the same place as the lens. return to top

Answer 3


An real image could form close to the focal point, but only if the object is very far away. return to top

Answer 4


The rays end up showing an image at D.
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What's this question really asking?

The question is asking you to draw the rays into the diagram and tell where the image appears. return to top

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