2.3.41 - Standing waves, nodes and antinodes

Know what is meant by a standing or stationary wave, understand how it is formed, and identify nodes and antinodes.

Use - standing waves, nodes and antinodes to connect the rule to the data and decision in the question.

This matters because - standing waves, nodes and antinodes determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - standing waves, nodes and antinodes to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Standing waves, nodes and antinodes is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.