Final answer:
Sound waves require a medium to travel, while light waves do not. Light travels faster than sound.
Explanation:
Two differences between light and sound waves:
- Medium: Sound waves require a medium like air, water, or solid to travel, whereas light waves do not need a medium and can travel through a vacuum.
- Velocity: Light travels at a significantly faster speed compared to sound. The speed of light is so great that it appears almost instantaneous in most situations, while the speed of sound can be observed with a noticeable delay.
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