(a)[1]
State the name of the wave type in which the vibration direction is at right angles to the direction of travel.
(b(i))[1]
Complete the sentence about the wave property shown in Fig. 6.1. Select one word from the list: diffraction, dispersion, reflection, refraction. The wave property shown in Fig. 6.1 is ..........
(b(ii))[1]
On Fig. 6.1, show one wavelength. Label it with the letter 'w'.
(c)[3]
Find the frequency of the wave.