(a)[1]
State one further use, apart from in ultrasound, of piezo-electric transducers.
(b)[6]
Explain the main principles of using ultrasound to obtain diagnostic information about structures inside the body.
Physics 9702 · AS & A Level · Production and use of ultrasound
Production and use of ultrasound — practice question
Piezo-electric transducers are employed to produce ultrasonic waves.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A correct example such as microphone / weighing scales / pressure sensor / clock” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI