What ype of radiation ionzing is less penetrating?

Answer 1

1. Alpha Particles are the least penetrating, but do a great deal of radiation damage on the surface of what they hit.

2. Beta Particles penetrate to a certain extent depending on their energy.

3. Gamma Rays penetrate the most, and a Gamma source requires heavy (lead, etc.

) shielding.

Answer 2

Alpha radiation is less penetrating than beta or gamma radiation. Alpha particles can be stopped by a piece of paper or human skin, whereas beta particles can penetrate through skin and gamma rays can penetrate much deeper into the body.