When radioactive isotopes decay they emit radiation that is harmful to humans. Which of the following forms of radiation have the highest energy and ability to penetrate solid materials?

Question

Quizplus · Accepted Answer

Gamma rays have the highest energy and smallest wavelength, which allows them to penetrate solid materials easily. Beta particles and alpha particles are less penetrating and have less energy, while microwaves and ultraviolet waves have even lower energies and longer wavelengths.

When Radioactive Isotopes Decay They Emit Radiation That Is Harmful