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Sound Waves & Hearing Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. This is described as the general result that happens when sound waves collide:

Question 2 2. This term describes what happens when sound waves that are of equal frequency and phase add together to form a wave of larger amplitude:

Question 3 3. When we see destructive interference at work, what happens to the sound waves?

Question 4 4. When two sound waves with different frequencies line up, part of the wave interferes constructively and part interferes destructively, which results in:

Question 5 5. Noise cancelling headphones rely on:

Page 2

Question 6 6. Of the following choices, a sound wave would travel fastest in a

Question 7 7. Within a medium of the same state, wave speed, in general, increases with _____ temperature.

Question 8 8. Sound with a frequency of 950 Hz and a wavelength of 1 m will travel _____ kilometers in 5 minutes.

Question 9 9. The substance that a sound wave travels through is called the

Question 10 10. Wave speed can be found by multiplying the wavelength by the

Page 3

Question 11 11. Which of the following statements is not correct?

Question 12 12. Which two types of hearing loss cannot be effectively treated using medications, hearing aids, or surgery?

Question 13 13. Which of the following statements is not true?

Question 14 14. Treatment of hearing impairment depends on which of the following factors?

Question 15 15. Which of the following statements is not correct?

Page 4

Question 16 16. Which of the following statements regarding the severity of hearing impairment is not correct.

Question 17 17. All sound waves are which type of wave?

Question 18 18. Which wave parameter is related to the volume of a sound?

Question 19 19. Which scale is used to measure the intensity of sound?

Question 20 20. Amplitude is a measure of how much _____ is being carried by a wave.

Page 5

Question 21 21. Which wave parameter is related to the pitch of a sound?

Question 22 22. How is a conversation that at 60 decibels different from an 80 decibel vacuum cleaner?

Question 23 23. Short sound waves are characterized by _____.

Question 24 24. According to the place theory of hearing, our ears transmit information by firing neurons from different parts of the _____.

Question 25 25. What is the weakness found in the frequency theory of hearing?

Page 6

Question 26 26. Which route shows how sound waves enter the ear and are processed?

Sound Waves & Hearing Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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