Waves

1. Mexican Wave

Is this a wave?
Would it diffract and interfere?

2. Japanese Wave

Why do the people at the far end of the pool not have so much fun?
Would this wave diffract?
3. Big Wave

Why do they need to be towed by a jet ski to catch this wave?
It looks like the water is going up the wave, is it?
4. Small wave

Can you see this wave reflecting, refracting, difrracting and interfering?
5. Shaking Bridge

Why does the bridge shake so much?
6. Breaking a Glass

Is this just a matter of singing loudly or does the frequency have to be right?
7. Sonic boom

Why is there a cone behind the plane?
Why is there a bang when the plane goes at the speed of sound?
8. Rubens Tube

What is the approximate wavelength of the sound at 1 min?
9. Shake Test

What this has got to do with resonance?
10. Annies Song

How do these singers sing so high?