Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Waves
356 practice questions
Topics covered
Practice questions
171–172 of 172 · Easy
Question 171
4 marks · Easy
Answer and see the solution →A student is learning about wave properties with a slinky spring and a light ray box.
(a)[3 marks]State the unit for each of the following quantities:
Quantity Unit Angle Wave frequency Wavelength (b)[1 mark]Explain what is meant by the term 'wavefront'.
Question 172
4 marks · Easy
Answer and see the solution →The diagram below shows both a light ray and a sound wave being used in communication and medical technology.
(a)[2 marks]Name the type of wave (longitudinal or transverse) for each of the following:
Wave Type Light wave Sound wave (b)[2 marks]State one use of optical fibres and one use of sound waves in medicine.