pleasant sound?
softness and low pitch
unpleasant sound?
loudness and low pitch
Pleasant sounds are generally produced by sine waves or harmonic sounds that are smooth and consistent, such as those from musical instruments. Unpleasant sounds can be generated by irregular, noisy waves like square waves or sawtooth waves, which can sound harsh or grating to the human ear.
Ocean waves have a distinct sound that soothes a lot of people and can help people sleep. They make a sort of whooshing sound and almost sounds like the wind mixed with water.
The reverberation of sound waves... Yeah, sort of.
Sound waves are produced due to the vibrations of an object .Sound waves are produced by vibration. Everything on this earth causes some sort of vibration. When something vibrates it produces a sound.
Most likely gravity believe it or not, the sound waves travel differently :)
It produces some sort of waves not equivalent to what we normally describe sound as.
a sort of cry
It makes sort of a bubble like sound
The two are different because Sound waves are longitudinal mechanical waves, but light waves are transverse electromagnetic waves, and sound requires a medium through which to travel, but light doesn't. Basically, Sound waves move sort of differently than Light waves.
lala dodo
so bad
Well bats use echo waves. These waves help them to know where everything is because bats are blind. See if you where standing there he would know your there with Eco waves with out actually seeing you