(a(i))[2]
State the names of regions 1 and 2.
(a(ii))[1]
Describe one practical use of gamma rays.
(a(iii))[1]
Describe one harmful effect on people caused by excessive exposure to gamma rays.
(b)[3]
Calculate the wave's wavelength.
Physics 0625 · IGCSE · Electromagnetic spectrum
Electromagnetic spectrum — practice question
Fig. 6.1 shows the main parts of the electromagnetic spectrum arranged in order of rising frequency. A number of the regions have been labelled already.