Detection of Radioactivity

Detection of Radioactivity problem 11

The diagram shows a radioactive source, a thick aluminium sheet and a radiation detector.

The radiation detector shows a reading greater than the background reading. Which type of radiation is being emitted by the source and detected by the detector?

  • α-radiation

  • β-radiation

  • γ-radiation

  • infra-red radiation


main author and content editor: Noble Menedi Firima