1555452
Beschreibung
Karteikarten von Calista Kusuma, aktualisiert more than 1 year ago
|
Erstellt von Calista Kusuma
vor fast 12 Jahre
|
|
| Frage | Antworten |
| What waves do ultrasounds use? | Sound waves to view inside body. |
| Why can't we hear them? | Too high frequency (pitch) for human ear |
| Why ultrasounds for pregnant ladies? | Sound waves is not an EM wave |
| What idea do ultrasound scanners use? | Reflection- sound bounces bacj from surfaces |
| Do sound waves need material to travel? | Yes |
| How do humans detect sound? | Sense organs= ears. Sound is funnelled inside the ear, making the outer ear and sensitive ear drums vibrate. |
| What type of waves are sound waves? | Compression |
Möchten Sie mit GoConqr kostenlos Ihre eigenen Karteikarten erstellen? Mehr erfahren.