The term describing the ability of an alpha, beta, or gamma particle to pass through materials is:

The term describing the ability of an alpha, beta, or gamma particle to pass through materials is:

• A. Absorption
• B. Penetration
• C. Shielding
• D. Attenuation

Answer: (B)

The ability of alpha, beta, or gamma radiation to pass through materials is described by penetration. Penetration refers to how far or how easily a particle or ray can travel through matter. It helps explain why different radiations require different shielding: alpha particles have very limited penetration and can be stopped by a sheet of paper, beta particles penetrate more but can be stopped by plastic or thin metal, and gamma rays have high penetration and need dense shielding like lead. The other terms describe related but distinct ideas: absorption is the transfer of energy to the material, shielding is the practical use of material to reduce exposure, and attenuation is the overall decrease in radiation intensity due to absorption and scattering.

The ability of alpha, beta, or gamma radiation to pass through materials is described by penetration. Penetration refers to how far or how easily a particle or ray can travel through matter. It helps explain why different radiations require different shielding: alpha particles have very limited penetration and can be stopped by a sheet of paper, beta particles penetrate more but can be stopped by plastic or thin metal, and gamma rays have high penetration and need dense shielding like lead. The other terms describe related but distinct ideas: absorption is the transfer of energy to the material, shielding is the practical use of material to reduce exposure, and attenuation is the overall decrease in radiation intensity due to absorption and scattering.