Wave refraction Whiteboard exercise Play

Wave refraction Student activity Play

Wave refraction Animation Play

What affects refraction? Student activity Play

What affects refraction? Simulation Play

What affects refraction? Whiteboard exercise Play

What does the magnitude of work done depend on? Student activity Play

What is the critical angle of a given medium? Animation Play

When is a theorem false? The counterexample Student activity Play

When the Lorentz force is not acting Student activity Play

When the Lorentz force is not acting Simulation Play

X-ray CAT scan Slideshow Play

Zero and opposite vectors Student activity Play

Zero and opposite vectors Animation Play

α angle and Lorentz factor Whiteboard exercise Play