MCQ Practice Physics 📖 তাপ পরিবাহকত্বের মান নির্ভর করে- Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in betar Assistant Director Preliminary Exam Question Bank - 2001 [All Subject] Question 1 betar Assistant Director Preliminary Exam Question Bank - 2001 [All Subject] Question 1 betar Assistant Director Preliminary Exam Question Bank - 2001 [All Subject] Question 1