Revision: Sound 13 Sound - Revision Quiz Test your understanding of Sound here: 1 / 5 1) A sonar on a ship is used to find the depth of the sea. An ultrasound wave pulse is sent downwards from the ship to the sea bed. The pulse travels with a speed of 1500 m/s in sea water. If the reflected pulse is received after 1.6 s, find the depth of the sea. 1200 m 2400 m 4800 m 600 m 1200 m 4800 m 600 m 2400 m 2 / 5 2) In the figure below, row 1 shows the undisturbed positions of air particles and row 2 shows the same particles at a certain instant when a sound wave passes through them. What is the amplitude and wavelength of the sound wave? B A C D 3 / 5 3) The following is a displacement-distance graph for a wave. What is the wavelength of the wave? 12.0 m 3.4 m 6.0 m 1.7 m 4 / 5 4) The following shows the displacement-distance graph for a wave. What is the wavelength if the wave? 0.20 m 0.15 m 0.05 m 0.10 m 5 / 5 5) Two notes are played on a trumpet. The second note has a lower pitch but is louder than the first note. Which of the following is true of the amplitude and frequency of the second note compared to the first note? B D A C Your score is Restart quiz