GCSE Questions - Waves

Q18. Look at this diagram of a water wave.

(a)

(i) What is the wavelength of this wave?

[1 mark]

(ii) What is the amplitude of this wave?

[1 mark]

(iii) The wavelength of the wave is changed to 25cm. Two waves are produced each second.

Calculate the speed of the wave in m/s.

[4 marks]

(b) Water waves are transverse and sound waves are longitudinal.

(i) Describe how water particles move in a transverse water wave.

[1 mark]

(ii) Describe how air particles move in a longitudinal sound wave.

[1 mark]

(Total 8 marks)