L4 - Waves Interactions

OUTCOME

By the end of the lesson you will be able to describe and explain interference and be able to apply this to sound waves

Reading quiz 165-167

Engage




When waves reflect they interact with a barrier they reflect. The nature of the reflection depends on the type of barrier, fixed or open



When waves interact they move through each other and constructive or destructively interfere

LEARNING TASKS

Explain

1. Describe the difference between wave interactions of an open and fixed end.

2. Draw diagrams showing constructive and destructive interference

Evaluate

Make sure you complete all questions from the practical activities

Ex 9.5 Q1-4

PDQs 1.7

Next lessons reading: p. 365-367