- #1
Saado
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I've read that if you want light to diffract through a single slit, the slit opening must be equal too or less than the wavelength of the light. So for example, light of wavelength 600nm would diffract through a slit with width 600nm or less. Is this true? Or am I missing something. Since when I saw a demonstration, the slit width was only 10^-4m apart and the light began to diffract.