Quelpr
4 marksProperties of Waves

CAPE Physics Unit 1 · 2002 · Paper 2 · Question 7(a)

Fifteen crests of water waves pass a certain point in 21.5 s. The distance between two successive crests is 4.10 m.

What is the speed of the wave?

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 7(b)(i)Describe, with the aid of a labelled diagram, an experiment to demonstrate interference of sound waves.[8 marks]
  2. 7(b)(ii)Why are sound waves described as progressive longitudinal waves?[8 marks]
  3. 7(c)(i)Use the equation above to calculate the velocity of a wave along the string.[8 marks]
  4. 7(c)(ii)Calculate this frequency. What can you say about the wavelength of the wave?[8 marks]
  5. 7(c)(iii)Calculate the change in the intensity level when the power output from a piano changes from 100 mW to 200 mW.[8 marks]

More practice: the rest of this paper · more Properties of Waves questions · all CAPE Physics Unit 1 past papers