Nuclear reactors are provided with shield to guard against the emission of mainly _____________ rays?
Correct answer: C. Neutrons & gamma
- A. X
- B. α and β
- C. Neutrons & gamma
- D. Infrared
Explanation
Reactor shielding is designed mainly to attenuate penetrating gamma rays and neutrons, which can travel through substantial thicknesses of material. Alpha and beta particles are much less penetrating, while infrared radiation is not a nuclear shielding concern.
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