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प्रश्न
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
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उत्तर
Bar magnets lose their magnetism when heated strongly. Due to heat energy, the kinetic energy of the molecules of a barg magnet increases. Thus from straight-line molecular chains, they form closed molecular chains, and hence, magnetism is lost.
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संबंधित प्रश्न
Fill in the blank to complete the sentence :
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