Physics A-Level
Audible sound
What Audible sound means in Physics A-Level, as defined for OCR.
Definition of Audible sound
Check what you remember
Read the wording for your board, then hide it and explain Audible sound in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Sound for humans that typically spans 20 Hz to 20 kHz, so ultrasound lies above this range.
Topics that use Audible sound
- Using ultrasound (OCR A-Level)
Related terms
- A-scan
- Acoustic impedance
- Acoustic impedance mismatch
- Acoustic matching
- Angle dependence of Doppler shift
- B-scan
- Coupling gel
- Coupling gel in ultrasound scanning
Using Audible sound in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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