This question is about waves in the electromagnetic spectrum.
The table below shows the regions of the electromagnetic spectrum ordered from lowest frequency to highest frequency, with two regions labeled X and Y currently missing.
radio wavesmicrowavesXvisible lightultravioletYgamma rays \begin{array}{|c|c|c|c|c|c|c|} \hline \text{radio waves} & \text{microwaves} & \mathbf{X} & \text{visible light} & \text{ultraviolet} & \mathbf{Y} & \text{gamma rays} \\ \hline \end{array} radio wavesmicrowavesXvisible lightultravioletYgamma raysIdentify the missing regions X and Y.
Which electromagnetic radiation is widely used in thermal imaging cameras to detect heat signatures and in optical fibre communications?
Which electromagnetic radiation is utilized in satellite communications (such as GPS) and radar systems?
The sequence of electromagnetic waves from radio waves to gamma rays is in order of:
Excessive exposure to certain types of electromagnetic radiation can be hazardous to human health.
For two different types of electromagnetic radiation, describe:
28 exam-style questions on Edexcel IGCSE Physics The electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.