MCQ Practice Physics 📖 তিনটি সুর শলাকা নেওয়া হলো যাদের কম্পাংক যথাক্রমে 105 Hz, 315 Hz, এবং 525 Hz । শলাকা তিনটি দিয়ে বায়ুতে শব্দ সৃষ্টি করলে সৃষ্ট... 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 DU KA Unit Question Bank Physics 2017-18 Question 3 DU KA Unit Question Bank Physics 2017-18 Question 3 DU KA Unit Question Bank Physics 2017-18 Question 3 DU KA Unit Question Bank Physics 2017-18 Question 3