Ultrasound (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the minimum frequency of ultrasound waves?
What is the minimum frequency of ultrasound waves?
Above Hz
Why can't humans hear ultrasound?
Why can't humans hear ultrasound?
Frequency is above human hearing range
What are electrical oscillations converted into to produce ultrasound?
What are electrical oscillations converted into to produce ultrasound?
Mechanical vibrations
What happens when ultrasound passes through a boundary between two media?
What happens when ultrasound passes through a boundary between two media?
Part is reflected, rest transmitted
What property of ultrasound allows detection of boundaries between substances?
What property of ultrasound allows detection of boundaries between substances?
Partial reflection
How is the distance to a boundary calculated using ultrasound?
How is the distance to a boundary calculated using ultrasound?
Time for echoes to return to detector
What is an example of medical imaging using ultrasound?
What is an example of medical imaging using ultrasound?
Prenatal scanning of a foetus
How is a video image of a foetus created from ultrasound?
How is a video image of a foetus created from ultrasound?
Computer processes timing and distribution
What is an industrial application of ultrasound?
What is an industrial application of ultrasound?
Finding flaws in materials
How does ultrasound detect a crack inside a material?
How does ultrasound detect a crack inside a material?
Waves reflected sooner than expected