Question

Which of these waves travel the fastest?

sound waves in air

sound waves in water

light waves in water

light waves in vacuum

Answer 1

light waves in vacuum

Answer 2

Light waves travel in vacuum with the speed of light c = 299792458 m/s or 983571056 ft/s.
Sound waves travel at 20°C (68°F) with the speed of sound c = 343 m/s or 1125.33 ft/s.
So light travels 874,030 times faster than sound.
Don't forget that sound needs necessarily air as a medium.
Light does not need a medium


Read more: http://wiki.answers.com/Q/Which_travel_faster_than_light_or_sound_waves#ixzz22DCmRjdD

Answer 3

Light waves in vacuum

Answer 4

light waves in vacuum
for more details
http://wiki.answers.com/Q/Which_travel_faster_than_light_or_sound_waves#ixzz22DCmRjdD

Answer 5

Thanks Guys!!:)

Answer 6

Welcome