Chapter 11 Study Guide s2

Chapter 17 Study Guide 1. Define the following terms: Amplitude Crest Compression Rarefaction Surface wave Periodic motion Period Hertz wavelength Destructive interference constructive interference Standing wave node antinode Loudness pitch sonar Doppler Effect resonance diffraction Frequency longitudinal wave mechanical wave Medium reflection refraction Transverse wave trough wave 2. What has to happen for a wave to be created? 3. Describe the three types of mechanical waves. 4. A wave’s frequency equals the frequency of the ______. 5. As wavelength increases, frequency ______. 6. How are amplitude of a wave and energy related? 7. What type of wave interaction involves the flipping upside down of a wave? 8. How are refraction and diffraction different? 9. What happens when two waves are in the same place at the same time? 10. When can standing waves be produced? 11. List 5 properties of sound waves. 12. Can sound waves travel through solids? 13. Sound waves are examples of (longitudinal or transverse) waves. 14. What is ultrasound? 15. Why does an ambulance siren produce different frequencies of sound waves depending upon where the observer is located? 16. List the jobs of the regions of the ear: a. Outer ear:______b. Middle ear:______c. Inner ear:______17. When light passes from air to glass, the light may change direction due to ______. 18. Be able to calculate wavelength given speed and frequency. a. Calculate the wavelength of a wave that is traveling 20 m/s and has a frequency of 6 Hz. b. What is the wavelength of a wave traveling at 5 x 107 m/s with a frequency of 60 Hz?

19. Be able to calculate speed given frequency and wavelength. a. Calculate the speed of a wave that has a frequency of 70 Hz and a wavelength of 0.5 m. b. A wave has a frequency of 300 Hz and a wavelength of 600 nm. What is the wave speed? 20. Do sound waves require a medium? 21. How loud a sound is depends on the ______of the waves.