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Results tagged with refraction
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user 26918
Change in the direction of propagation of a wave when its transmitting medium changes. The tag does also apply to index of refraction.
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Why do refracting telescopes have a wider field of view than reflecting telescopes?
It's mainly down to what they're good at - a lens is always going to produce a bit of aberration (both in colour and focus), so if you want a wide field of view you're going to get better results from …
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