Resonance is a vibration that causes an object to set up standing waves within the whole material.
LEARNING TASKS
Explain
In this application, try setting up a standing wave with a fixed end and non-fixed end.
What happens as the wave reflects with a fixed end?
What happens as the wave reflects with a non-fixed end?
When does superposition happen?
Can you set up a wave with a harmonic and nodes?
Explore and Elaborate
Prac: Standing waves on a spring
Prac: Resonance of a wine glass
Demo: Standing waves in a pipe
Evaluate
Ex 9.5 Q5-11
PDQs 1.8
Reading for next lesson: p. 376-380