(a(i))[2]
On Fig. 6.1, add labelled lines to indicate: 1. the amplitude of the wave 2. the wavelength of the wave.
(a(ii))[1]
Put the letter T on a trough.
(b)[3]
Show that the wave speed is 2.0 cm/s.
(c)[2]
State the distinction between transverse waves and longitudinal waves. Base your answer on the direction of oscillations.