Table 6.1 shows regions of the electromagnetic (e.m.) spectrum in order of increasing wavelength.
Two of the regions are not labelled.
gamma rays.........................ultraviolet.........................infraredmicrowavesradio waves \begin{array}{|c|c|c|c|c|c|c|} \hline \text{gamma rays} & \text{.........................} & \text{ultraviolet} & \text{.........................} & \text{infrared} & \text{microwaves} & \text{radio waves} \\ \hline \end{array} gamma rays.........................ultraviolet.........................infraredmicrowavesradio wavesTable 6.1
Complete Table 6.1 by writing the name of each region that is not labelled.
State two properties that are the same for waves in all regions of the e.m. spectrum.
Gamma rays are used in hospitals to treat cancer (radiotherapy).
State one other use for gamma rays.
State one safety precaution taken by people who work with gamma rays.
198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.