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Question 42

Three audio signal generators produce sound waves at different frequencies: 10 Hz, 8 kHz8\text{ kHz}8 kHz, and 35 kHz35\text{ kHz}35 kHz.

Which row in the table shows whether the sound from each signal generator can be heard by a healthy human ear?

10 Hz8 kHz35 kHzAyesyesnoBnoyesnoCnonoyesDyesnoyes \begin{array}{c|c|c|c} & 10\text{ Hz} & 8\text{ kHz} & 35\text{ kHz} \\ \hline \textbf{A} & \text{yes} & \text{yes} & \text{no} \\ \hline \textbf{B} & \text{no} & \text{yes} & \text{no} \\ \hline \textbf{C} & \text{no} & \text{no} & \text{yes} \\ \hline \textbf{D} & \text{yes} & \text{no} & \text{yes} \end{array} ABCD​10 Hzyesnonoyes​8 kHzyesyesnono​35 kHznonoyesyes​​
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.

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