Visual angle Whiteboard exercise Play

Visual angle Student activity Play

Wave refraction Animation Play

Wave refraction Whiteboard exercise Play

Wave refraction Student activity Play

What affects refraction? Student activity Play

What affects refraction? Simulation Play

What affects refraction? Whiteboard exercise Play

What can be observed during an eclipse of the Sun? Whiteboard exercise Play

What can be observed during an eclipse of the Sun? Student activity 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 Simulation Play

When the Lorentz force is not acting Student activity Play

X-ray CAT scan Slideshow Play

α angle and Lorentz factor Whiteboard exercise Play