Submitted by IcyPause7334 t3_11cxss5 in explainlikeimfive
Fred2718 t1_ja5ox8b wrote
Reply to comment by Odd_Perception_283 in ELI5: the light can be blocked entirely, but why the sound can’t by IcyPause7334
Audible sound runs from about 10 Hz to about 25,000 hz.
Visible light runs from 4 x 10 E 14 hz to 8 x 10 E 14 hz. ( 10 E 14 hz is 100 Terahertz )
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