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#10241 Bangla Language & Literature General Level 0

একটি নিউক্লিয়াস একটি নিউট্রন গ্রহণ করে একটি বিটা কণা (β) নিঃসরণ করে ও দুইটি আলফা কণায় পরিণত হয়। আদি নিউক্লিয়াসের A এবং Z যথাক্রমে ছিল:

  1. A 6,3
  2. B 7,2
  3. C 7,3
  4. D 8,4
Answer: C - 7,3

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