How things work college course/Breaking broomstick demonstration

< How things work college course

This is not really a lab but a demonstration. I am looking for ways to make it more educational. These are ideas I have jotted down.

Waves that travel at the same speed for all wavelengths

Light in vacuum
Sound
Transverse and longitudinal waves on a string
Shallow water waves (approximately)

Waves that travel at a speed that depends on wavelength

Bending waves.
Whistler waves
Schrodinger waves
Light waves in materials
- Explains chromatic abberation
- Used to calculate how much plasma is between the stars

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