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Question
Q. With reference to the critical mass, which of the following statements is incorrect?
Which of the above statements is/are correct?
Q. With reference to the critical mass, which of the following statements is incorrect?
Which of the above statements is/are correct?
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Solution
The correct option is C Both 1 and 2
Explanation:
Statement 1 is correct: A critical mass is the minimum amount of fissile material needed for a sustained nuclear chain reaction. The critical mass of a fissionable material depends upon its nuclear properties, specifically, its nuclear fission cross-section, density, shape, enrichment, purity, temperature, and surroundings.
Statement 2 is incorrect: Above the Critical Mass, the reaction may accelerate into a nuclear explosion, if uncontrolled.
Explanation:
Statement 1 is correct: A critical mass is the minimum amount of fissile material needed for a sustained nuclear chain reaction. The critical mass of a fissionable material depends upon its nuclear properties, specifically, its nuclear fission cross-section, density, shape, enrichment, purity, temperature, and surroundings.
Statement 2 is incorrect: Above the Critical Mass, the reaction may accelerate into a nuclear explosion, if uncontrolled.
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