Before Class Preparation:

• Print and answer A1 of handout: Interference
  • You may BYOD if you can draw directly on the handout (remember that these are your notes)
• Waves on a slinky

In Class Activity:

• Challenge: Don’t knock the cups over!
• Explain and graphically illustrate the principle of superposition
  • Verify: Interference
  • Whiteboard Activity: Predict resultant pulses

After Class Work:

• Video:
  • Wave Interference
  • Application: Noise Cancelling Headphones
• Powerpoint: Wave Properties & Sound
• Self Quiz: Superposition