Across
- 5. number of cycles completed in one second
- 7. reflected sound wave
- 11. the change in frequency of a wave in relation to an observer when the wave source and observer are moving relative to each other
- 13. a quantity that has both magnitude and direction
- 15. a number that tells us how much light slows down when entering a material
- 19. wave interference in which the resultant amplitude is greater than the individual amplitudes
- 21. the point in a longitudinal wave at which minimum pressure occurs
- 23. the sum of multiple vectors
- 24. bending or change in direction of light when it travels from one medium into another
- 26. the type of electromagnetic radiation with the longest wavelength, lowest frequency, and lowest energy
- 27. when a material transmits all (or almost all) incident light
- 28. also known as a diverging mirror
Down
- 1. occurs when a standing wave is formed inside an air column causing an instrument to vibrate
- 2. frequency at which the first standing wave is produced
- 3. the only type of electromagnetic radiation humans can see
- 4. transfer of energy caused by a vibration
- 6. how quickly an object is moving with no concern about its direction
- 8. also known as a converging mirror
- 9. center of a lens
- 10. reflection when parallel light rays strike a surface and all reflect at the same angle
- 11. change in position
- 12. time it takes to complete one cycle
- 14. points on a standing wave where the wave has zero amplitude
- 16. location of an object relative to a reference point
- 17. material through which a wave moves
- 18. a flat mirror
- 20. the type of electromagnetic radiation with the shortest wavelength, highest frequency, and highest energy
- 22. rate of change of velocity
- 25. when a material does not transmit incident light
- 27. point on a wave at which the maximum negative displacement occurs