Ultrasound (AQA GCSE Physics): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
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Practise the cards
12 cards from this deck
What happens to ultrasound at boundary between media?
What happens to ultrasound at boundary between media?
Partially reflected back, rest passes through
How ultrasound calculates distance
How ultrasound calculates distance
Measures time between emission & detection
Ultrasound application for surfaces
Ultrasound application for surfaces
Imaging under surfaces
Ultrasound use in human pregnancy
Ultrasound use in human pregnancy
Non-invasive imaging of fetus
Infrasound frequency range
Infrasound frequency range
Lower than Hz
What infrasound explores
What infrasound explores
Earth's core
P waves: type & what they pass through
P waves: type & what they pass through
Longitudinal, pass through solids & liquids
S waves: type & what they pass through
S waves: type & what they pass through
Transverse, only pass through solids
Which seismic waves move slower
Which seismic waves move slower
S waves
Waves detected opposite side of Earth from earthquake
Waves detected opposite side of Earth from earthquake
Only P waves
What only P waves detected suggests about Earth's core
What only P waves detected suggests about Earth's core
Core is liquid
How sonar calculates depth
How sonar calculates depth
Times ultrasound pulse to seabed & back