KS4 Physics Light and Electromagnetic Waves

Frequency range of the spectrum

Electromagnetic Waves

• Radiowaves
• Microwaves
• Infra-red
• Visible Light
• Ultra-violet
• X-rays
• Gamma-rays

Interactions of electromagnetic radiation with matter and their applications

• Transmission
• Absorption
• Reflection
• Refraction

• Making Radiowaves
• Absorption Spectra
• Emission Spectra

Applications of Electromagnetic Waves

• Applications of Radiowaves
• Applications of Microwaves
• Applications of Infra-red
• Applications of Visible Light
• Applications of Ultra-violet
• Applications of X-rays
• Applications of Gamma-rays

Dangers of Electromagnetic Waves

• Dangers of Radiowaves
• Dangers of Microwaves
• Dangers of Infra-red
• Dangers of Visible Light
• Dangers of Ultra-violet
• Dangers of X-rays
• Dangers of Gamma-rays

Lenses

• Refraction
• Lens
  • Convex Lens
  • Concave Lens
  • Focal Length
• Image
  • Real Image
  • Virtual Image

Colour and frequency; differential effects in transmission, absorption and diffuse reflection

• Colour
• Specular Reflection
• Diffuse Reflection

Black Body Radiation

• Leslie Cube
• Temperature Constancy
• Albedo
• Greenhouse Effect

GCSE Physics Required Practical: Investigating Infra-red Radiation