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Mechanical Waves And Sound

Subject : engineering
Instructions:
  • Answer 35 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. When two or more waves combine to produce a wave with a larger displacement






2. The material through which a wave travels through






3. A wave that travels along a surface separating two media (more than one medium)






4. The distance between a point on one wave and the same point on the next cycle of the wave






5. Any motion that repeats at regular time intervals






6. Consists of the cochlea and the auditory nerve






7. When two or more waves combine to produce a wave with a smaller displacement






8. When two or more waves overlap or combine together






9. An area where the particles in a medium are spread out






10. A point on a standing wave that has no displacement from the rest position






11. Is the maximum displacement of the medium from its rest position on a wave






12. Wavelength x frequency






13. The frequency of a sound as you perceive it






14. The number of complete cycles in a given time






15. A change in sound frequency caused by motion of the sound source - motion of the listener - or both






16. A wave in which the vibration of the medium is parallel to the direction the wave travels






17. Consists of the eardrum - hammer - anvil - & stirrup






18. A physical response to the intensity of sound - modified by physical factors






19. The response of a standing wave to another wave of the same frequency






20. The highest point of the wave above the rest position






21. The rate at which a wave's energy flows through a given area






22. A technique used for determining the distance to an object underwater






23. A point where a crest or trough occurs midway between two nodes






24. When a wave bounces off a surface that it cannot pass through






25. The time required for one cycle - a complete motion that returns to its starting point






26. A unit that compares the intensity of different sounds






27. A wave that causes the medium to vibrate at right angles to the direction in which the wave travels






28. Longitudinal waves - compressions and rarefactions that travel through a medium






29. The bending of a wave as it moves around an obstacle or passes through a narrow opening






30. The bending of a wave as it enters a new medium at an angle






31. A disturbance in matter that carries energy from one place to another






32. Consists of the ear canal






33. The lowest point below the rest position






34. A wave that appears to stay in one place - it does not seem to move through the medium






35. An area where the particles in a medium are spaced close together







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Can you answer 50 questions in 15 minutes?


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