Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Waves
356 practice questions
Topics covered
Practice questions
61–70 of 172 · Easy
Question 61
2 marks · Easy
Answer and see the solution →The diagram below shows a transverse wave on a rope.
Wave diagram (a)[1 mark]Name the points labelled B and D.
(b)[1 mark]Name the points labelled A, C, and E.
Question 62
1 mark · Easy
Answer and see the solution →State whether sound waves in air are transverse or longitudinal.
Question 63
2 marks · Easy
Answer and see the solution →A teacher produces waves on a stretched spring. The frequency is 2 Hz and the time period is 0.5 seconds.
(a)[1 mark]State the equation that links frequency and time period.
(b)[1 mark]Show, using the values above, that the relationship between frequency and time period is correct.
Question 64
1 mark · Easy
Answer and see the solution →Explain how you can tell whether a wave is transverse or longitudinal by observing the movement of particles in the medium.
Question 65
1 mark · Easy
Answer and see the solution →State the equation that links wave speed (), frequency (), and wavelength ().
Question 66
2 marks · Easy
Answer and see the solution →A light wave has a frequency of 5.0 × 10 Hz and a wavelength of 6.0 × 10 m. Calculate the speed of the wave.
Question 67
1 mark · Easy
Answer and see the solution →State the relationship between frequency () and time period () for a wave.
Question 68
2 marks · Easy
Answer and see the solution →A water wave has a time period of 0.2 s. Calculate its frequency.
Question 69
2 marks · Easy
Answer and see the solution →What happens to the wavelength of a wave if its frequency is halved, but its speed stays the same? Explain your answer.
Question 70
3 marks · Easy
Answer and see the solution →A sound wave travels in air at a speed of 340 m/s.
(a)[2 marks]Calculate the wavelength if the frequency is 850 Hz.
(b)[1 mark]State the unit for wavelength.