if an unshielded sample of radioactive material emits alpha particles, what effect will it have on a person…

if an unshielded sample of radioactive material emits alpha particles, what effect will it have on a person sitting in the next room? (assume the wall between rooms is composed of concrete.)\nnone, because the wall will block the radiation.\nthe radiation will travel through the persons body.\nnone, because the radiation will bounce off the persons body.\nthe radiation will be totally absorbed by the persons body.

if an unshielded sample of radioactive material emits alpha particles, what effect will it have on a person sitting in the next room? (assume the wall between rooms is composed of concrete.)\nnone, because the wall will block the radiation.\nthe radiation will travel through the persons body.\nnone, because the radiation will bounce off the persons body.\nthe radiation will be totally absorbed by the persons body.

Answer

Brief Explanations:

Alpha particles are relatively large and have low penetration power. A concrete wall is thick enough to block them completely. So they won't reach the person in the next - room.

Answer:

None, because the wall will block the radiation.