What ray has the highest penetration capability?

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Succeed in the Damage Controlman (DC) A School Test 3 Exam. Utilize flashcards and multiple-choice questions, each with detailed hints and explanations. Gear up for your success!

Multiple Choice

What ray has the highest penetration capability?

Explanation:
The ability to penetrate materials depends on how the radiation interacts with matter. Alpha particles are heavy and positively charged, so they lose energy quickly and are stopped by a thin barrier like a sheet of paper. Beta particles are lighter and still charged, so they can pass through skin but are halted by a few millimeters of metal or plastic. Gamma rays are uncharged photons with very high energy, so they interact with matter far less often and can pass through dense materials with little attenuation, requiring thick shielding to stop them. Because of this high penetrating power, gamma rays have the greatest penetration capability among these options.

The ability to penetrate materials depends on how the radiation interacts with matter. Alpha particles are heavy and positively charged, so they lose energy quickly and are stopped by a thin barrier like a sheet of paper. Beta particles are lighter and still charged, so they can pass through skin but are halted by a few millimeters of metal or plastic. Gamma rays are uncharged photons with very high energy, so they interact with matter far less often and can pass through dense materials with little attenuation, requiring thick shielding to stop them. Because of this high penetrating power, gamma rays have the greatest penetration capability among these options.

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