Let's apply the concepts introduced in a
previous presentation, where we used ray tracings to find images produced by converging and diverging lenses.
Pair up in groups of two or three, pick up a whiteboard, and for each of these real-world examples, decide whether this is a converging or diverging lens, producing a real or virtual image, and choose the corresponding ray tracing diagram (or diagrams) from your
worksheet.
For this image produced by a water glass, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by a camera lens attachment, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by magnifying glass, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by a pair of glasses, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image on a frosted glass screen produced by a lens on an optical bench, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by a door peephole, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by a glass paperweight, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
For this image produced by a slide projector, is this produced by a converging or diverging lens? Is this a real or virtual image? Which
ray tracing(s) ((1)-(10)) best match(es) this?
How do you know this?
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