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.) none, because the wall will block the radiation. the radiation will travel through the person’s body. none, because the radiation will bounce off the person’s body. the radiation will be totally absorbed by the person’s body.

None, because the wall will block the radiation.

Explanation:

An alpha particle is a very tiny particle with a nucleus of 2 protons and 2 neutrons.

Alpha particles are monoenergetic and mostly have discrete energies that ranges from 1Mev to 10Mev.

Alpha particles have a short range in air. Their range is just a few centimetres(1-10cm).

Alpha particles can easily be stopped by even a thin piece of paper as it quickly loses its energy when it is emitted. A concrete block will completely shield it off. It won't have any effect on the person in the next room.

its a on edge i just took the test

Explanation:

i think it's letter a.