Question

what is the speed of light and sound​

Answer 1

Answer:

The speed of light =299 792 458 m / s

Speed of sound in dry air at 20 °C =

eed of sound in dry air at 20 °C =343 m / s

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Answer 2

Answer:

speed of light and sound is 3x10to the power 8 in vaccum

light cannot travel through vacuum but electromagnetic waves can travel through vacuum