LetStudy

2023 · M/J · 5054/12 | Q23

BackNext
0/40parts marked · 0 of 40 marks
All questions
Question (23 of 40)1 mark · Practise this topic →
Options

Report Wrong question content

CIE-5054-2023-MJ-p12 · Question 23

You may use a calculator. Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m/s²).
Question text

23 Ultrasound is a type of sound wave that is not audible to a healthy human ear. Which range of frequencies contains only ultrasound? A 30Hz–3.0kHz B 300Hz–30kHz C 3.0kHz–3.0MHz D 30kHz–30MHz

[1 mark]

Select your answer:

5054/12/M/J/23Cambridge O Level Physics 5054 · May/June 2023 · Paper 1 variant 2 · Question 23