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I see this cool animated GIF that shows a prism refracting light. Can the light also go the other way, and make the light more focused?<br />
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Is it true that a prism that refracts light as well as focuses light?<br />
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<a href="https://en.wikipedia.org/wiki/Prism#/media/File:Light_dispersion_conceptual_waves.gif" rel="ugc">https://en.wikipedia.org/wiki/Prism#/media/File:Light_dispersion_conceptual_waves.gif</a><br />
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Thanks
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I see this cool animated GIF that shows a prism refracting light. Can the light also go the other way, and make the light more focused?

Is it true that a prism that refracts light as well as focuses light?

https://en.wikipedia.org/wiki/Prism#/media/File:Light_dispersion_conceptual_waves.gif

Thanks

Can a prism be used to create a laser beam?

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