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#55431 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?

  1. A টেলিস্কোপ
  2. B পেরিস্কোপ
  3. C মাইক্রোস্কোপ
  4. D স্টেথোস্কোপ
Answer: B - পেরিস্কোপ

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