Question

what is the different between light and sound​

Answer 1

Answer:

• Light is a transverse wave and sound is a longitudinal wave.
• Light can travel in a vacuum, sound requires a medium.
• Light tends to slow down in denser media (quantum-jump photoabsorption and photoemission delays occur more often with shorter vacuum lightspeed mean free path between), sound tends to speed up (effective vibrational tension rising faster than effective mass density).

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