there and back distance
What there and back distance means in Physics GCSE, as defined for AQA.
Definition of there and back distance
Check what you remember
Read the wording for your board, then hide it and explain there and back distance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
In the recorded time the pulse has covered twice the depth, so the distance to the boundary is (v × t) / 2.
Topics that use there and back distance
Related terms
- absorption contrast
- change of speed
- compressions and rarefactions
- detection and exploration
- echo pulses
- echo timing
- halving the path
- how science works
Using there and back distance 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.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge