Question text
31 The diagram shows a loudspeaker that is producing a continuous sound wave of frequency 200Hz in air. loudspeaker P Which diagram best shows how the sound wave causes a molecule at P to move during 1 s? 200 A B C D P P P P
31 The diagram shows a loudspeaker that is producing a continuous sound wave of frequency
200Hz in air.
loudspeaker
P
Which diagram best shows how the sound wave causes a molecule at P to move during 1 s?
200
A B C D
P P P
P
Select your answer: