Physics

5. The distance between successive crests of a wave.
6. Any material substance which can propagate waves energy.
8. The Highest point of energy in a longitudinal wave.
9. Spreading of waves around obstacles.
12. The lowest point of energy in a longitudinal wave.
13. Lowest surface part of a wave.
14. A wave vibrating in the direction of propagation.
15. The time interval between two successive repetitions.
16. The number of waves that passes a fixed point in unit time.
17. Combination of two waves moving in opposite directions, each having the same amplitude and frequency.

1. The maximum displacement or distance moved by a point on a vibrating body or wave measure from it equilibrium position.
2. Point that has no displacement from the equilibrium position.
3. Motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance.
4. Highest surface part of a wave.
7. A wave that is an oscillation of matter, and therefore transfers energy through a medium.
10. Propagation of disturbances from place to place in a regular and organized way.
11. The net effect of the combination of two or more wave trains moving on intersecting or coincident paths.