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Season 1 Episode
- Season 1 Motion in a Straight Line
- Season 1 Derivatives
- Season 1 Integrals
- Season 1 Vectors and 2D Motion
- Season 1 Newton's Laws
- Season 1 Friction
- Season 1 Uniform Circular Motion
- Season 1 Newtonian Gravity
- Season 1 Work, Energy, and Power
- Season 1 Collisions
- Season 1 Rotational Motion
- Season 1 Torque
- Season 1 Statics
- Season 1 Fluids at Rest
- Season 1 Fluids in Motion
- Season 1 Simple Harmonic Motion
- Season 1 Traveling Waves
- Season 1 Sound
- Season 1 The Physics of Music
- Season 1 Temperature
- Season 1 Kinetic Theory and Phase Changes
- Season 1 The Physics of Heat
- Season 1 Thermodynamics
- Season 1 Engines
- Season 1 Electric Charge
- Season 1 Electric Fields
- Season 1 Voltage, Electric Energy, and Capacitors
- Season 1 Electric Current
- Season 1 DC Resistors & Batteries
- Season 1 Circuit Analysis
- Season 1 Capacitors and Kirchhoff
- Season 1 Magnetism
- Season 1 Ampère's Law
- Season 1 Induction - An Introduction
- Season 1 How Power Gets to Your Home
- Season 1 AC Circuits
- Season 1 Maxwell's Equations
- Season 1 Geometric Optics
- Season 1 Light Is Waves
- Season 1 Spectra Interference
- Season 1 Optical Instruments
- Season 1 Special Relativity
- Season 1 Quantum Mechanics - Part 1
- Season 1 Quantum Mechanics - Part 2
- Season 1 Nuclear Physics
- Season 1 Astrophysics and Cosmology
Crash Course Physics - Season 1 Episode 38 Geometric Optics
0.00 10 minutes LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s worth a close, hard look. For instance, how does light travel? When you flip that switch in the bathroom to brush your teeth, how does light move from the light bulb, to the mirror, and into your eyes?
