Name: Period: Date: Chapter 16 (Sound) Review Worksheet Show all work. 1. What is the difference between a transverse and a longitudinal wave? 2. Which property of a sound wave are you changing when you turn the volume up on your radio? Use vocabulary words. 3. Noise canceling headphones are an example of? a. Constructive interference b. Destructive interference c. Resonance 4. For standing waves, what is the difference between a node and an antinode? 5. A train is traveling at 17.4 m/s towards a stationary observer. If the horn of the train emits a frequency of 437 Hz, what frequency will the observer hear? (higher, lower, or the same as the original frequency) 6. What is question #5 an example of? 7. What is the speed of sound in air? 8. A sound wave has a frequency of 550 Hz in air. Which of these is closest to the wavelength of this sound? a. The height of a skyscraper b. The length of a bug c. The height of a desk d. The height of a tree e. The width of highwayName: Period: Show Date: 9. What is the wavelength of a sound wave traveling at 343 m/s with a period of 0.070 s? Show Is world Veryend mapswired sonos nib orb ei tedW .1 10. Two speakers play different notes, one at 300 Hz and the other at 290 hertz. What is the beat frequency? Beat frequency is the difference between the two values. four bauge s to whogorq doidw S ablow visludsoov 11. A hiker in a canyon calls out, "Hello," and hears her echo back in 4 s. If the speed of sound is 343 m/s and her voice is at a frequency of 280 Hz, then how far away is the canyon wall? it gailoonso ozion .& 12. What property of a sound wave determines the pitch of a musical note? eveparibasla 101 .A 13. The amount of time to complete a full cycle of a wave is known as what? 14. A longitudinal wave (like sound) consists of a series of compressions that repeats. What is the space between these compressions called? Use vocabulary words. 15. A speaker plays a note at 50 decibels. Nine other speakers are added and play the same note in phase at the same amplitude. What is their collective volume in decibels? 16. Fred is trying to hear a conversation in the next room. He puts his ear against the wall to hear better. Does the sound travel faster or slower through the wall compared to normal air? Explain. 17. When a wave changes mediums like in problem 16, we call thisName: Period: Date: 18. When a wave changes mediums, its speed changes, what property of a wave remains constant though? Use vocabulary words. 19. In a music studio you are likely to find foam padding on the walls. The idea is that this increases the friction for sound waves and reduces the amplitude of sound waves. This process is known as Use vocabulary words. 20. In music, middle C has a frequency of 262 Hz. What is the period of this sound wave? 21. A sound wave is traveling through the water at 1,500 m/s. This sound has a frequency of 440 Hz. What is the wavelength of this sound wave? 22. Waves have a unique ability to bend around corners and expand as they pass through openings in a boundary. What is this ability called? 23. A tuning fork making a sound causes a nearby puddle to begin vibrating. This could be caused by which property of waves