Across
- 2. lowest point below the rest position
- 8. net response caused by two or more stimuli making a sum
- 13. the spreading out of waves as they pass through aperture or around objects
- 14. light or ther radiation of a single wavelength or frequency
- 15. vibration of a system in which some particles points remain fixed while others between them vibrate
- 17. law that states that the ratio of the sine of angles of incidence and transmission is equal to ratio of the refractive index of materials at the interface.
- 20. refers to the reflection of light rays off smooth conducting surfaces
- 21. a wave vibrating in the same direction of propagation
- 24. the position in time on a cycle of a waveform
- 30. increased amplitude that occurs when the frequency of a periodically applied force is equal or close to a natural frequency.
- 31. maxima of two waves are 180 degrees out of phase
- 33. a generic term describing a single disturbance that moves through a transmission medium.
- 38. substance that transfers light and energy from one substance to another
- 39. light rays when they meet a smooth and glistening surface
- 40. a point on a surface wave where displacement of the medium is at a maximum
- 41. position of maximum displacement in a standing wave system.
- 42. maxima of two waves are added together
- 43. change in frequency of a wave in relation to an observer who is moving relative to the wave source.
- 44. number of occurrences of a repeating event per unit of time
Down
- 1. a property applying to transverse waves that specifies the geometrical orientation of the oscillations
- 3. waves or particles from a surface such that a ray incident on the surface is scattered at many angles
- 4. a regular variation in magnitude or position around a central point.
- 5. time it takes to complete one motion
- 6. a disturbance transmitted through a medium
- 7. the distance between two successful crests
- 9. change in direction of a wave passing from one medium to another.
- 10. the net effect of the combination of two or more waves intersecting
- 11. range of frequencies of electromagnetic radiation
- 12. wave that is an oscillation of matter.
- 16. ray of light that strikes the surface
- 18. the maximum displacement or distance moved by a point on a vibrating wave
- 19. angle between a refracted ray and the normal drawn at the point of incidence
- 22. describes how fast light travels through materials
- 23. a description of a sound’s frequency
- 24. a wave with a repeating pattern which determines its wavelength and frequency
- 25. point at which pathways intersect or central/connecting point
- 26. application of balanced inward forces to different points on a structure.
- 27. an increase or decrease in the frequency of sound light or other waves
- 28. an interference pattern between two sounds of slightly different frequencies
- 29. change in direction of a wavefront at an interface between two different media
- 32. angle which an incident line or ray makes with a perpendicular
- 34. segment of one cycle of longitudinal wave during its travel or motion
- 35. a wave vibrating at right angles to the direction of its propagation
- 36. crest moving along a a medium from particle to particle
- 37. a form of radiant energy that is thrown back from a non absorbing surface