Waves beyond the ends of the rainbow

1.  (a)  Red light has the wavelength
      Violet light has the wavelength

2.  How do we know that there are waves outside the red end of the spectrum?

What do we call these waves?

3.  How do we know that there are waves outside the violet end of the spectrum?

What do we call these waves?

5.  Radio waves have the wavelength and the frequency.
Gamma rays have the wavelength and the frequency.

What you need to remember
This table shows all the different kinds of waves in the spectrum.
waves waves waves waves - rays rays

longest waves
lowest

shortest
highest frequency 

All types of electromagnetic radiation travel through space at exactly the same

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