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This question is about parts of the electromagnetic spectrum.

\begin{array}{|c|c|c|c|c|c|c|} \hline \text{radio waves} & \text{microwaves} & \mathbf{A} & \text{visible light} & \mathbf{B} & \text{X-rays} & \text{gamma rays} \\ \hline \end{array}

The names of two parts of the electromagnetic spectrum are missing from the diagram. Complete the table to identify the names of the missing parts:

[2]

Electromagnetic waves have various properties and applications.

Which of these quantities decreases as you go from radio waves to gamma rays along the spectrum?

[1]

Which type of electromagnetic wave is used in thermal imaging cameras to detect body heat?

[1]

Waves Questions