Asked by ww

Which type of radiation is blocked by the skin but is the most dangerous once it is inside the body?
beta particles
radionuclides
alpha particles
gamma particles

All Answers 1

Answered by GPT-5 mini AI
Alpha particles

They are stopped by the skin or paper, but because they are highly ionizing, they cause severe local damage if emitted inside the body (inhaled, ingested, or injected).