(a(i))[2]
Complete the labelling in Fig. 6.1. Enter the name of the radiation in each unlabelled region.
(a(ii))[1]
State the name of one region of the electromagnetic spectrum whose wavelengths are shorter than those of ultraviolet rays.
(b)[1]
On Fig. 6.2, draw a line showing one wavelength. Label the line L.
(c)[2]
Complete Table 6.1 by entering an appropriate correction for every circled error.
(d)[2]
Describe how the vibrations in longitudinal waves differ from those in transverse waves.