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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. The lowest point below the rest position






2. Wavelength x frequency






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






4. When two or more waves overlap or combine together






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






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






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






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






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






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






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






12. Consists of the cochlea and the auditory nerve






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






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






15. The frequency of a sound as you perceive it






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






17. Any motion that repeats at regular time intervals






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






19. The material through which a wave travels through






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






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






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






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






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






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






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






27. A unit that compares the intensity of different sounds






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






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






30. Consists of the ear canal






31. The number of complete cycles in a given time






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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