Wavelength Crossword

1. number of complete oscillations a point on a wave makes each second
5. the point with the largest displacement when two wave pulses meet
8. a single disturbance or bump that travels through a medium
9. in any periodic motion, the amount of time required for an object to repeat one complete cycle of motion
11. the change in direction of waves at the boundary between two different mediums
13. a wave that vibrates perpendicular to the direction of the wave's travel
14. states that the angle of incidence is equal to the angle of reflection
16. a line representing the crest of a wave in two dimensions that can show the wavelength, but not amplitude.
17. states that the force acting on a spring is directly proportional to the amount the spring is stretched
18. Any motion that repeats in a regular cycle
19. a wave that appears to be standing still, produced by the interference of two traveling waves moving in the opposite direction
20. A device that can demonstrate simple harmonic motion when its bob, suspended by a string or light rod, si pulled to one side and released, causing it to swing back and fourth
21. a wave pulse that strikes a boundary between two mediums

2. occurs when small forces are applied at regular intervals to an oscillating object
3. the shortest distance between points on a wave where the wave pattern repeats itself, crest to crest.
4. the line drawn at a right angle to a wave-front; represents the direction of wave travel
6. results from the superposition of two or more waves, can be constructive or destructive
7. Movement of an object back and fourth between two opposing points
10. the line in a ray diagram that shows the orientation of the barrier or mirror and is drawn at a right angle, or perpendicular, to the barrier or mirror.
11. a returning wave that results from some energy of the incident waves' pulse being reflected backward.
12. the stationary point where two equal wave pulses meet and are in the same location, having a displacement of zero.
15. a disturbance that carries energy through matter or space
22. the high point of a transverse wave