You know what it looks like… but what is it called?
TAKE THE QUIZ“[Young's]”
We have one entry that includes the term [Young's].
Young's experiment
noun: an experiment in which light diverging from one slit passes through two narrow slits very close together and then falls on a screen so that a series of parallel bands are observed on the screen because of interference of light from the two slits
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Merriam-Webster unabridged