Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Wavelength and frequency
15 practice questions
Practice questions
11–15 of 15
Question 11
3 marks · Normal
Answer and see the solution →A ripple tank is set up to demonstrate that increasing the frequency of waves changes the observed pattern.
Describe what happens to the wavelength of the water waves when the frequency is increased, and explain your answer using the wave equation.
Question 12
1 mark · Normal
Answer and check →Which of the following best describes 'wavelength'?
- A.The number of waves produced per second.
- B.The distance between one crest and the next.
- C.The number of crests passing a point each second.
- D.The height of the wave from crest to trough.
Question 13
2 marks · Normal
Answer and see the solution →A student uses a ripple tank and counts 30 wave crests passing a fixed point in 10 seconds. What is the frequency of the waves?
Question 14
2 marks · Normal
Answer and see the solution →Give the scientific name for the time taken for one complete wave to pass a given point, and state its standard SI unit.
Question 15
3 marks · Normal
Answer and see the solution →Ocean waves travel at 12 m/s and have a frequency of 0.2 Hz.
Calculate the wavelength of the ocean waves. Give your answer with the correct unit.