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Thread: What's the difference between converging and diverging rays?

  1. #1
    Level 16 - Colossus LindseyBotelli's Avatar
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    What's the difference between converging and diverging rays?

    I thought when you see an object an exact 'light replica' is reflected in to your reyes. Instead I'm being told the rays converge to a point.
    If they converge to a point wouldn't you just be seeing a point/dot instead of the actual object, e.g a cell phone.

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  3. #2
    Level 16 - Colossus newmax's Avatar
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    converging ray after refraction meet at a point and concentrate on it

    diverging ray after refraction go away from each other but meet behind the lens or mirror

  4. #3
    Level 16 - Colossus jbrady's Avatar
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    They don't converge to a point. That's a misunderstanding I see foisted a lot. There is a smaller, upside-down, real image focused on the retina.
    A converging lens will focus the rays coming from an object into a focal plane. Where that focal plane intercepts the principal axis, there is a focal point. The only way an object will focus light to a point like that is if it is a very faraway object that appears very small. Like a star. That will focus at the focal point.
    Even the sun doesn't focus down to a point. When you focus the sun's rays with a converging lens, it doesn't get down to a point, it just gets down to a very small, reversed image of the sun, with a lot of energy focused into a very small area. But it's still not a point, it's just a very small, intense image of the sun.
    ishaan's answer is crap. ignore it completely.

  5. #4
    Level 16 - Colossus cortizr's Avatar
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    Rays of light converge to a point when they approach each other and meet at that point.
    Rays of light diverge from a point when they pass through a point and go away from one another(afastar uns dos outros).

  6. #5
    Level 16 - Colossus bigheroman's Avatar
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    think of the dot matrix printer or pixels in a computer . they are pin pts coming together to form a bigger image.
    converging rays come together on a magnifying glass or microscope lens.
    diverging rays go apart on a prism.

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