Day 2: Light
Intended Learning Outcomes for Day 2
At the end of today's lesson, you should be able to:
Explain the scientific nature and properties of light.
Explain the working principles of different kinds of light sources and compare their properties in terms of physics.
Explain the concepts of light measurement and relate these to building science.
Session 2.1: Nature of Light
Outline
Light as wave vs. light as particle
Speed of light
Electromagnetic spectrum
Colors and color vision
Materials
Lecture notes: Day 2
Online worksheet for use in class
Simulation: Radio waves and electromagnetic fields
Video: 3D animation of electromagnetic waves
Simulation: Color vision
Revision: Kahoot!
Session 2.2: Wave Properties of Light
Outline
Reflection and mirrors (concave and convex)
Refraction and optical lens (concave and convex)
Total internal reflection
Diffraction and interference
Absorption and emission
Materials
Simulation: Bending light
Video: Refraction of light
Simulation: Geometric optics
Simulation: Optics Bench
Simulation: Wave interference
Revision: Kahoot!
Session 2.3: Light Sources
Outline
Principles and properties of incandescent lamps, discharge lamps, and LEDs
Color temperature
Materials
Simulation: Neon lights and other discharge lamps
Simulation: Blackbody spectrum
Simulation: Molecules and light
Session 2.4: Measurement of Light
Outline
Concepts of luminous intensity, luminous flux, illuminance, and luminance
Comparing sound wave and light wave
Materials
Revision: Kahoot!
Tool: Lighting calculators