2.3.38 - Core Practical 4 - speed of sound in air

CORE PRACTICAL 4: Determine the speed of sound in air using a 2-beam oscilloscope, signal generator, speaker and microphone.

Use - core practical 4 - speed of sound in air to connect the rule to the data and decision in the question.

This matters because - core practical 4 - speed of sound in air determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - core practical 4 - speed of sound in air to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Core Practical 4 - speed of sound in air is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.