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#10244 Bangla Language & Literature General Level 0

হাইড্রোজেন পরমাণুর প্রথম বোর কক্ষে ইলেক্ট্রনের মােটশক্তি -13.6 eV । তৃতীয় বোর কক্ষে মোটশক্তি কত

  1. A -1.5 eV
  2. B -3.4 eV
  3. C -40. 8 eV
Answer: A - -1.5 eV

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