Waves

1. Transverse

1.1. Light Waves

1.1.1. Visible Light

1.1.2. X-Ray

1.1.3. Microwaves

1.1.4. Radio Waves

1.1.5. Gamma Rays

1.2. Water Waves

2. Electromagnetic

2.1. Doesn't need to be transmitted through a medium

2.2. Example: Light waves, X-rays, radio waves

3. Parts of a wave

3.1. Amplitude

3.1.1. Maximum vertical distance from its rest position

3.2. Frequency (Hz)

3.2.1. The number of complete oscillations in a second

3.2.1.1. Frequency = 1÷Period

3.3. Period

3.3.1. Time taken to complete one oscillation

3.4. Wavelength

3.4.1. The horizontal length of one complete oscillation

3.5. Wave speed

3.5.1. Speed of travelling wave

3.5.1.1. Wave speed = Wavelength ÷ Period

3.5.1.2. Wave speed = Wavelength x frequency

4. Longitudinal

4.1. Audible Sound

4.2. Ultrasound

4.3. Infrasound

5. Definition

5.1. A wave travelling disturbance from an oscillating source.

6. Mechanical

6.1. Transmitted through a medium by vibrating particles

6.2. Example : Sound waves, water waves

7. Units: Hertz (Hz), kilohertz (kHz)

8. Behaviours

8.1. Transmission

8.2. Reflection

8.3. Refraction

8.4. Diffraction

8.5. Absorption

8.6. Scattering