Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Units (Waves)
82 practice questions
Topics covered
Practice questions
31–40 of 82
Question 31
4 marks · Normal
Answer and see the solution →A student uses a slinky spring to demonstrate waves.
(a)[2 marks]Describe how the student could produce a transverse wave using the slinky.
(b)[2 marks]Describe how the student could produce a longitudinal wave using the slinky.
Question 32
2 marks · Normal
Answer and see the solution →What is meant by the phase of a wavefront?
Question 33
4 marks · Normal
Answer and see the solution →The graph below shows the displacement of a point in a wave against time.
Wave displacement vs time (a)[1 mark]State the amplitude of the wave.
(b)[2 marks]Determine the time period of the wave.
(c)[1 mark]Calculate the frequency.
Question 34
1 mark · Easy
Answer and see the solution →State what is meant by the wavelength of a wave.
Question 35
1 mark · Easy
Answer and check →Which of the following gives the correct relationship between wave speed (v), frequency (f), and wavelength () for any wave?
- A.v = f
- B.v = f +
- C.v = f /
- D.v = / f
Question 36
2 marks · Easy
Answer and see the solution →A student increases the frequency of waves made in a stretch of rope while keeping the speed the same. Explain what happens to the wavelength.
Question 37
3 marks · Easy
Answer and see the solution →Waves in a long spring travel with a speed of 8 m/s and have a frequency of 2 Hz.
(a)[2 marks]Calculate the wavelength of the waves.
(b)[1 mark]State the unit for wavelength.
Question 38
2 marks · Easy
Answer and see the solution →A wave has a frequency of 50 Hz and a wavelength of 0.12 m. Calculate the speed of this wave.
Question 39
1 mark · Easy
Answer and see the solution →Give the unit used for frequency.
Question 40
1 mark · Easy
Answer and see the solution →Describe what happens to the wavelength of a water wave when its frequency is doubled, with speed kept constant.