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प्रश्न
Nuclear fusion is not possible in the laboratory because:
पर्याय
it is extremely difficult to achieve a temperature of million degree celsius
there is no material available to withstand such a high temperature.
there is no way to use the energy, if fusion takes place.
all of these.
MCQ
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उत्तर
All of these
Explanation:
Fusion needs a temperature of more than a million degrees Celsius; no material can withstand such a high temperature, and controlled fusion energy cannot yet be used in the laboratory. Therefore, all the given statements are correct.
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