A researcher tests an audio generator that produces four different sound frequencies. A person with typical healthy hearing is only able to hear one of these frequencies. Which frequency of sound can the person hear?
5 Hz5\text{ Hz}5 Hz
15 Hz15\text{ Hz}15 Hz
8 kHz8\text{ kHz}8 kHz
25 kHz25\text{ kHz}25 kHz
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.