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Block 4 Nuclear Science Practice Exam

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Which energy component is the second highest from a detonation (about 35%)?
Correct Answer:
Thermal Energy/Radiation
Explanation:
Energy from a detonation splits into three major channels: heat (thermal energy), the blast or shock wave, and prompt nuclear radiation. The heat component is the largest portion, causing intense heating and thermal radiation. The second largest portion is the blast/shock wave, which carries roughly a third of the energy and is responsible for the overpressure and mechanical damage to surroundings. A smaller fraction appears as prompt nuclear radiation. If one portion is about 35%, that corresponds to the blast/shock energy. Thermal energy, by contrast, would be the largest share, not the second.

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