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Meaning of Arago spot | Babel Free

Noun CEFR B2

Definitions

A bright point that appears at the centre of a circular object's shadow due to Fresnel diffraction.

Examples

“The Arago spot played an important role in the discovery of the wave nature of light and is a common way to demonstrate that light behaves as a wave.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

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