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प्रश्न
Artificial radioactivity was discovered by ______.
पर्याय
Bequerel
Irene Curie
Roentgen
Neils Bohr
MCQ
रिकाम्या जागा भरा
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उत्तर
Artificial radioactivity was discovered by Irene Curie.
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Types of Radioactivity
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