Question

Which type of radioactive particle (alpha, beta, or gamma) is most harmful to humans, and why? Alpha particles, because they are the largest Beta particles, because they are the fastest Gamma rays, because they have the most energy None of these are harmful

Answer 1

Answer: C: Gamma rays, because they have the most energy

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Answer 2

Answer:

Gamma radiations, because they have the most energy.

Explanation:

Gamma radiations:

Gamma radiations are high energy radiations having no mass.

These radiations are travel at the speed of light.

Gamma radiations can penetrate into the many materials.

These radiations are also used to treat the cancer.

Lead is used for the protection  against gamma radiations because of its high molecular density.

The lead apron are used by the person when treated with gamma radiations.

Lead shields are also used in the wall, windows and doors of the room where gamma radiations are treated, in-order to protect the surroundings.