Light & Energy
Waves, photons and the electromagnetic spectrum explained
In the beginning...
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Lessons
Waves and their properties
Practice: Label the wave
Speed, frequency and wavelength
Practice: Use the wave equation
The electromagnetic spectrum
Practice: Order the spectrum
Photons
Practice: Photon energy
Evidence for photons
Reflection
Practice: Aim the reflected ray
Refraction
Snell's law
Practice: Apply Snell's law
Total internal reflection
Practice: Predict the ray
Diffraction
Interference
Practice: Constructive or destructive
Energy transfer by radiation
Practice: Match the glow
Practice: Final review
Course Complete
Up nextRecommended first Launch Lesson
What is light?
Explore the nature of light from waves to photons. Understand the electromagnetic spectrum, reflection, refraction, diffraction, and how energy is transferred by radiation.
