Waves

4. When waves meet a gap in a barrier, they carry on through the gap.
8. We see these waves as the colors of the rainbow.
9. formed when an electric field couples with a magnetic field.
10. The ______ of a wave is its maximum disturbance from its undisturbed position.
11. The angle of incidence equals the angle of _______.
12. A vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water.
13. _______= frequency (hertz) × wavelength (metre)

1. The vibrations of the wave are along the same direction as the direction of travel.
2. When sound and light waves change direction.
3. The splitting of light into different colours or wavelengths.
5. The ______ of a wave is the number of waves produced by a source each second.
6. The vibrations of the wave are at right angles to the direction of travel.
7. The ________of a wave is the distance between a point on one wave and the same point on the next wave.