MCQ Practice Science 📖 শব্দের তীক্ষ্ণতা মাপা হয় কি দিয়ে?/শব্দের একক কি? ক ওহমখ ডাইনগ ডেসিবলঘ নিউটন 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