Electromagnetic radiation is the general term for the more familiar ... As mentioned above, hydrogen and hydroxyl emit radio waves at particular frequencies. The diagram below shows the power emitted ...

The entire height of the wave is shown on the diagram as 0.6 m. You need to half this number to get the amplitude. The wavelength can be seen in the diagram as distance between peaks. This is 0.25 m.

These questions provide answer lines for you to write your answer and may sometimes also provide a blank space for you to draw a diagram or show ... can use seismic waves to find out about the ...