Definitions from Wiktionary (Arago spot)
▸ noun: (optics) A bright point that appears at the centre of a circular object's shadow due to Fresnel diffraction.
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▸ noun: (optics) A bright point that appears at the centre of a circular object's shadow due to Fresnel diffraction.
Similar:
Fresnel spot,
hot spot,
focal point,
focus,
macula,
photocenter,
eyepoint,
lucule,
spot,
astral lamp,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Invented words related to arago spot