Think critically vibrations cause sounds yet if you move your hand back and forth you don't hear a sound

Question

Physics

Leon Gomez

18 February, 16:06

Think critically vibrations cause sounds yet if you move your hand back and forth you don't hear a sound

+2

Answers (2)

Know the Answer?

Hope Krueger · Answer 1

You can not move your hand fast enough, the lowest frequency sound is about 20 cycles per second, if you could move your hand that fast, you might hear sound.

Love, grace-

Sage Wong · Answer 2

Moving your hand back and forth does not go fast enough to move the air particles fast enough to cause sound waves.