Radioactivity - Types of radiation

4 important questions on Radioactivity - Types of radiation

What do we call the number of waves created every second?

The frequency

What is the distance between two succesive wave peaks (or wave troughs) called?

The wavelength

Which three forms of electromagnetic radiation can be ionising or slightly ionising?

Ultraviolet, X-rays, gamma rays
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Which three things can happen when electromagnetic radiation falls on an object?

  • The radiation is allowed to pass through (sunlight on a window)
  • The radiation can be reflected. (mirror)
  • The radiation can be absorbed. (dark object heating up in sunlight)

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