1. 1. Copy and Complete the table below 2. Write down the wave equation 3. Write down the relationship between frequency and period 4. Find both frequency and period of a wave which travels at 30 ms -1 and has wavelength of 3x10 -6 m. SHOW ALL WORKING Quantity NameQuantity SymbolUnit NameUnit Symbol Wave Velocity Wave length Period Frequency

2. Question “One of the most important scientific advances of the last 150 years is the discovery and application of ________________”

3. Fact One A charged particle (either + or -) creates an electric field around it. Fact Two A moving charged particle (e.g. electric current) creates a magnetic field around it. Fact Three A changing magnetic field can cause charged particles to move.

5. Electromagnetic Waves Electromagnetic waves are made up of oscillating electric and magnetic fields. All electromagnetic waves travel at the speed of light, c, in a vacuum. c = speed of light = 3.0 x 10 8 ms -1 Electromagnetic waves do not require medium.