Physics GCSE
echo timing
What echo timing means in Physics GCSE, as defined for AQA.
Definition of echo timing
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Reference: AQA
A short pulse is sent out, travels to the boundary, reflects and travels back, and the detector records the time between transmission and echo.
Topics that use echo timing
Related terms
- absorption contrast
- change of speed
- compressions and rarefactions
- detection and exploration
- echo pulses
- halving the path
- how science works
- liquid outer core
Using echo timing in the exam
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