Question $30$

$2\mathrm{.}7$ pts

Human hearing is roughly $20$ Hz to $20,000Hz.$ If you set your speaker or headset to make a sound that is set to $2$ Hz $,$ and listening very carefully, you can hear a sound pulsing roughly twice per second, what are you hearing?

The $2$ Hz frequency created by the speaker.

A sound that is a much higher frequency that your speakers make while attempting to make such a low frequency sound.