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#59241 Bangla Language & Literature General Level 0

যে সিস্টেমে তাপ, কাজ, ভর ইত্যাদি সীমানা অতিক্রম করতে পারে তাকে কী বলে ?

  1. A আইসোলেটেড সিস্টেম
  2. B ওপেন সিস্টেম
  3. C কোনোটিই নয়
  4. D ক্লোজ সিস্টেম
Answer: B - ওপেন সিস্টেম

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