What is Rayleigh's contribution to optics?
Rayleigh criterion
Snell's law
Huygens' principle
Fresnel equations
Answer
Rayleigh's criterion is a fundamental concept in optics that defines the limit of resolution for an optical system. It states that two closely spaced objects can be distinguished as separate entities when the center of the diffraction pattern of one object falls on the first minimum of the diffraction pattern of the other.
John Strutt, 3rd Baron Rayleigh Brain Challenge: 31 Questions to Push Your Limits
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