Question

Why are sound waves invisible?

Answer 1

(Strictly speaking, air is not perfectlyinvisible. But air is so close to invisiblethat you have to look through a lot of air, or through air with extreme temperature/pressure differences, in order to see the air.) Also, most sound waves consist of material vibrating too quickly for our eyes to pick out

Answer 2

hey mate ur answer is

Since air is invisible to begin with, there's no way for you to see the air once it starts vibrating. (Strictly speaking, air is not perfectly invisible).The vibrating motion of most sound waves is far faster than your waving hand, and is therefore just a blur to human eyes.