Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Properties of Waves
122 practice questions
Topics covered
Practice questions
21–30 of 60 · Normal
Question 21
3 marks · Normal
Answer and see the solution →Describe one example each of a transverse wave and a longitudinal wave, and for each, state clearly how the particles vibrate compared to the direction of wave travel.
Question 22
3 marks · Normal
Answer and see the solution →A wave has a time period of 0.02 seconds. Calculate its frequency.
Question 23
4 marks · Normal
Answer and see the solution →A student makes waves on the surface of a pool by repeatedly dipping her finger up and down in the water.
(a)[1 mark]State what is meant by a transverse wave.
(b)[2 marks]Describe, with reference to this situation, how the direction of vibration of the water relates to the direction in which the wave moves.
(c)[1 mark]Name another example of a transverse wave (other than water waves).
Question 24
4 marks · Normal
Answer and see the solution →The following diagram shows a wave travelling along a rope.
Wave on a rope (a)[2 marks]Label the wavelength and amplitude on the diagram.
(b)[1 mark]Which point on this wave shows the maximum positive displacement from the equilibrium position? State its letter.
(c)[1 mark]What is the name of this maximum point?
Question 25
4 marks · Normal
Answer and see the solution →A loudspeaker produces a sound wave with a frequency of 450 Hz. Each wave has a time period of 0.0022 seconds.
(a)[1 mark]State the equation relating frequency and time period for a wave.
(b)[2 marks]Using the equation, calculate the frequency expected if the time period is 0.0022 s.
(c)[1 mark]Suggest why the calculated frequency and measured frequency might not match exactly.
Question 26
4 marks · Normal
Answer and see the solution →A student uses a ripple tank to produce water waves. The motor is set so that the frequency of the waves is 5 Hz, and each wave has a wavelength of 0.18 m.
(a)[1 mark]State the equation linking wave speed, frequency, and wavelength.
(b)[2 marks]Calculate the speed of these water waves.
(c)[1 mark]Give the unit for wave speed.
Question 27
3 marks · Normal
Answer and see the solution →A sound wave has a time period of 0.005 s.
(a)[1 mark]State the relationship between frequency and time period.
(b)[2 marks]Calculate the frequency of the sound wave.
Question 28
3 marks · Normal
Answer and see the solution →A tuning fork produces sound waves in air with a frequency of 440 Hz. The speed of sound in air is 330 m/s. Calculate the wavelength of the sound waves.
Question 29
3 marks · Normal
Answer and see the solution →Describe what happens to the wavelength of water waves in a ripple tank if the frequency of the waves is increased while the wave speed remains the same.
Question 30
4 marks · Normal
Answer and see the solution →A student investigates water waves using a ripple tank. The student measures that 12 complete waves pass a point in 6.0 s. The wavelength of each wave is 25 cm.
(a)[2 marks]Calculate the frequency of the waves.
(b)[2 marks]Calculate the speed of the waves. Give your answer in m/s.