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[-] protist@retrofed.com 10 points 6 days ago

The speed of light is constant, however the frequency of light is variable. Similar thing with sound, high pitched and low pitched frequencies travel at the same speed in the same medium

[-] Crazyslinkz@lemmy.world 1 points 5 days ago

Yes! Ever heard a car horn coming at you and then going away? It's the wave compressing and expanding.

this post was submitted on 08 Jul 2026
1005 points (99.5% liked)

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