Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Sound Waves
14 practice questions
Practice questions
1–6 of 6 · Easy
Question 1
1 mark · Easy
Answer and see the solution →What type of wave are sound waves in air (longitudinal or transverse)?
Question 2
1 mark · Easy
Answer and check →Which of the following instruments can be used to see the shape of a sound wave?
- A.Oscilloscope
- B.Thermometer
- C.Barometer
- D.Stopwatch
Question 3
2 marks · Easy
Answer and see the solution →The speed of sound in air is 340 m/s. Calculate how long it takes a sound wave to travel 170 m. Give your answer in seconds.
Question 4
2 marks · Easy
Answer and see the solution →A sound wave is displayed on an oscilloscope screen. The time for one complete wave (time period) on the screen is 0.01 s. Calculate the frequency of the sound wave. State the correct unit.
Question 5
1 mark · Easy
Answer and see the solution →Sound waves cannot travel through a vacuum. Give a reason why.
Question 6
2 marks · Easy
Answer and see the solution →A microphone is connected to an oscilloscope showing a sound wave. The trace shows a high number of waves close together. What does this tell you about the pitch of the sound, and why?