A teacher wants to demonstrate that the radioactive source emits alpha, beta and gamma radiation.Figure 3 shows the equipment the teacher has.Figure 3Describe a method the teacher could use.[

0 2. 4 A teacher wants to demonstrate that the radioactive source emits alpha, beta and gamma radiation. Figure 3 shows the equipment the teacher has. Figure 3 3 mm thick Radioactive aluminium A thin source sheet sheet in a holder of paper Radiation detector Count rate meter Describe a method the teacher could use. [6 marks]