Ultrasounds

Another good video from MyGCSEScience.com:

www.my-gcsescience.com Uses of Ultrasound

Specification reference P3.1.2 Ultrasound:

• know the range of human hearing and the frequency of ultrasounds
• describe what happens when ultrasound waves meet a boundary between different media
• calculate distance between interfaces using the time taken for reflections to reach a detector
• uses of ultrasound waves in medicine (prenatal scanning and removal of kidneys stones