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प्रश्न
When an element gives out high energy radiations on its own, the change which takes place is:
पर्याय
physical change
chemical change
nuclear change
none of these
MCQ
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उत्तर
Nuclear change
Explanation:
When an element emits high-energy radiations on its own, the changes take place inside the nucleus of the atom. Such a spontaneous change of one nucleus into another is a nuclear change, not a physical or chemical change.
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