(a)[1]
When a wave moves across the water surface in the ripple tank, the water particles oscillate at right angles to the direction in which the wave travels. State the name for a wave in which the particles vibrate at right angles to the direction of travel.
(b(i))[1]
Complete the sentence about the wave property shown in Fig. 6.1. The wave's change in direction is called [BLANK].
(b(ii))[1]
State why the wave turns as it enters the shallow water.
(b(iii))[3]
Determine the frequency of the wave using the information in Fig. 6.1.