Ultrasound (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens when ultrasound reaches a boundary between two media?
What happens when ultrasound reaches a boundary between two media?
It is partially reflected back
Why can measuring time between emission and detection show distance?
Why can measuring time between emission and detection show distance?
The speed of the waves is constant
What type of imaging is ultrasound scanning of a human fetus described as?
What type of imaging is ultrasound scanning of a human fetus described as?
Non-invasive imaging
How does ultrasound detect a crack in a metal block?
How does ultrasound detect a crack in a metal block?
Waves reflect earlier than the rest
What is the frequency range of infrasound?
What is the frequency range of infrasound?
Lower than 20 Hz
What type of wave are P waves and what can they pass through?
What type of wave are P waves and what can they pass through?
Longitudinal; solids and liquids
What type of wave are S waves and what can they pass through?
What type of wave are S waves and what can they pass through?
Transverse; solids only
What is detected on the opposite side of Earth from an earthquake?
What is detected on the opposite side of Earth from an earthquake?
Only P waves
What does detection of only P waves suggest about Earth's core?
What does detection of only P waves suggest about Earth's core?
The core is liquid
What is sonar used to detect below a ship?
What is sonar used to detect below a ship?
Shoals of fish and seabed depth