Test your basic knowledge |

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 number of complete cycles in a given time






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






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






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






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






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






7. The frequency of a sound as you perceive it






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






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






10. When two or more waves overlap or combine together






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






12. Consists of the cochlea and the auditory nerve






13. The material through which a wave travels through






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






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






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






17. A unit that compares the intensity of different sounds






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






19. The lowest point below the rest position






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






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






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






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






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






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






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






27. Wavelength x frequency






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






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






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






31. Any motion that repeats at regular time intervals






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






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






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






35. Consists of the ear canal