Revision: Sound 13 Sound - Revision Quiz Test your understanding of Sound here: 1 / 5 1) A tuning fork is used to produce sound waves with a frequency of 440 Hz. The waves travel through the air at 344 m/s. What is the wavelength of these sound waves? 0.15 m 1.3 m 0.78 m 0.39 m 2 / 5 2) Which statement explains why sound travels faster in water than in air? Water molecules are larger than air molecules. Water has more energy than air. The molecules in water are closer together. The molecules in water move faster. 3 / 5 3) Bees which are not carrying pollen fly with a flapping frequency of 440 Hz while those which are carrying pollen fly with a flapping frequency of 300 Hz. The sound made by bees which are not carrying pollen is softer. has a higher pitch. is louder. has a lower pitch. 4 / 5 4) The pitch of a sound is determined by its speed frequency amplitude wavelength 5 / 5 5) The following is a displacement-distance graph for a wave. What is the amplitude of the wave? 3.4 m 6.0 m 12.0 m 1.7 m Your score is Restart quiz