Increase and decrease the amplitude of the sound waves generated. How does increasing the amplitude affect the sound wave and its model? You may want to click on "Play Tone" and have the computer sound on. The sound becomes louder and the white and dark bands better defined (darker). The sound becomes quieter and the white and dark bands less well defined (dimmer). The sound becomes quieter and the white and dark bands better defined (darker). O The sound becomes louder and the white and dark bands less well defined (dimmer)