📝 Multiple Choice Question
General-science
Who first stated the principle of refraction that postulates that every substance has a specific bending ratio 'refractive index'?
A
Dennis Gabor
B
Thomas Young
C
Willebrord Snellius
D
David Brewster
Explanation
Willebrord Snellius discovered the law of refraction, now known as Snell's Law, in 1621 to describe how light bends across different media.
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