Edexcel IGCSE Physics 3.28P Pitch & frequency

Practise linking pitch to frequency by reading traces, choosing the relevant wave property, and interpreting source vibration changes.

Exam points

state that frequency determines the pitch of a sound wave
draw a higher-pitch trace by increasing frequency while keeping the context consistent
use a graph or line of best fit to choose the string length for a required frequency

[Maximum number: 1]

This question is about sound.

State which wave property determines the pitch of a sound.

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