(a)[3]
Fig. 8.1 presents several cases where regions of the electromagnetic (EM) spectrum are in use. Table 8.1 lists three of these cases. State the name of the EM region used in each case.
(b)[2]
All waves may be reflected, refracted and diffracted. State two further properties of waves in the electromagnetic spectrum.
(c)[2]
State two safety precautions when working with sources that emit γ (gamma)-radiation.