This download contains a detailed lesson plan and powerpoint on the topic of stationary waves on strings. It also contains a lesson idea and mini-powerpoint based on an experiment that is a required practical in the UK AQA syllabus
Phase difference may be measured as angles (radians and degrees) or as fractions of a cycle.
Nodes and anti-nodes on strings.
Wave frequency formula for strings
The formation of stationary waves by two waves of the same frequency travelling in the opposite direction.
A graphical explanation of formation of stationary waves will be expected.
Stationary waves formed on a string and those produced with microwaves and sound waves should be considered.
Stationary waves on a string will be described in terms of harmonics. The terms fundamental (for the first harmonic) and overtone will not be used.