Waves (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is fetch?
What is fetch?
Distance of open water wind blows over
What is wave height (amplitude)?
What is wave height (amplitude)?
Vertical distance from crest to trough
What happens to the base of a wave in shallow water?
What happens to the base of a wave in shallow water?
Slows down due to seabed friction
At what steepness ratio does a wave become unstable and break?
At what steepness ratio does a wave become unstable and break?
1:7 (wave height to wavelength)
What is swash?
What is swash?
Rush of water up the beach after breaking
What is the frequency of constructive waves?
What is the frequency of constructive waves?
6-8 waves per minute
What characteristic defines destructive waves?
What characteristic defines destructive waves?
Backwash stronger than swash
What happens to wave energy at headlands due to refraction?
What happens to wave energy at headlands due to refraction?
Waves converge & concentrate energy
What occurs in bays as a result of wave refraction?
What occurs in bays as a result of wave refraction?
Waves diverge & deposition occurs
What type of feedback maintains beach equilibrium between constructive & destructive waves?
What type of feedback maintains beach equilibrium between constructive & destructive waves?
Negative feedback