1. Light… Wave or Particle?

2. The Electromagnetic Spectrum Behavior of Light
Classifying Light
Light as a wave
Light as a particle
Energy and frequency
The Electromagnetic Spectrum
Behavior of Light

3. Light as a Wave
Light produces interference patterns, just like water waves
Light can be described as:
A transverse wave
With amplitude
Frequency
And Wavelength

4. Light as a Particle Wave doesn’t explain everything
The particle model explains how certain “packets” or photons of light carry different amounts of energy
Unlike a wave, energy in a photon is located in a specific area.

6. Energy and Frequency A particle or a wave, light is still energy
Amount of energy is proportional to the frequency of the light
Increased energy corresponds to increased frequency.

7. The Electromagnetic Spectrum
Spectrum of light organized by energy, frequency, and wavelength.
Radiowaves
Communication and radar
Microwaves
Communication and cooking
Infrared Waves
Warmth
Visible Light
Ultraviolet Light
Harmful from the sun
X-rays
Absorbed by bone to produce images
Gamma Rays
Nuclear reactions and treating diseases

8. Behavior of Light