Worksheet: Gamma Radiation

In this worksheet, we will practice describing the key physical properties of gamma radiation and explaining its production by certain nuclear decays.

Q1:

A radioisotope emits 𝛾 rays as it decays. For a given thickness of material, which of the following would provide the most effective shielding when handling this isotope?

  • AWater
  • BSteel
  • CLead
  • DAluminum
  • EConcrete

Q2:

A uranium-237 nucleus decays, emitting a gamma ray with a wavelength of 5.96 pm. What is the energy of this gamma ray in keV?

Q3:

Which of the following is a reason for the number of nucleons (protons and neutrons) not changing on emission of gamma radiation from a radioactive isotope?

  • AGamma radiation is an electromagnetic wave which has no mass or charge.
  • BGamma radiation is an electromagnetic wave which has both charge and mass.
  • CGamma radiation is an electromagnetic wave which has charge only.
  • DGamma radiation is an electromagnetic wave which has mass only.

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