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10 Cards in this Set
- Front
- Back
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What do convex lenses create ? |
Convex lenses create magnified images |
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The object being magnified must be closer to the lens than what ? |
The focal length |
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What is the image produced ? |
A virtual image |
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Cameras make the image smaller than what ? |
The object |
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The image on the light sensor (in camera) is called what and why ? |
Is a real image because light rays actually meet there |
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Why is the image smaller than the object ? |
Because the object's a lot further away from the focal length of the lens |
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What do projectors do ? |
They make the image larger than the object. They work in a similar way to cameras, but the object is a lot closer than the focal length of the lens, so the image is larger. |
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What are images focused by ? |
Moving lens |
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An image will be in focus when the light that forms the image converges on what ? |
The screen or the sensor |
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What is the magnification formula ? |
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