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






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






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






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






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






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






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






8. A unit that compares the intensity of different sounds






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






10. Any motion that repeats at regular time intervals






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






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






13. The frequency of a sound as you perceive it






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






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






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






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






18. When two or more waves overlap or combine together






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






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






21. The material through which a wave travels through






22. Consists of the ear canal






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






24. The number of complete cycles in a given time






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






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






27. Wavelength x frequency






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






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






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






31. The lowest point below the rest position






32. When two or more waves combine to produce a wave with a larger displacement






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






34. Consists of the cochlea and the auditory nerve






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







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Can you answer 50 questions in 15 minutes?


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