Скачать с ютуб Sound Full Chapter Class 8 Science | NCERT Science Class 8 Chapter 13 в хорошем качестве

Sound Full Chapter Class 8 Science | NCERT Science Class 8 Chapter 13

👉Previous Video :    • Friction Full Chapter Class 8 Science...   👉Next Video :    • Chemical Effects of Electric Current ...   ✔️📚👉 Watch Full Free Course: https://www.magnetbrains.com ✔️📚👉 Get Notes Here: https://www.pabbly.com/out/magnet-brains ✔️📚👉 Get All Subjects Playlists: ​https://www.pabbly.com/out/all-videos... =============================================== 📢 Full Playlist Link:    • Class 8 Science By Avneet Mam | Full ...   ✅ In this video, ✔️ Class: 8th ✔️ Subject: Science ✔️ Chapter: Sound ✔️ Topic Name: Sound Full Chapter Class 8 Science | NCERT Science Class 8 Chapter 13 ✔️ Topics Covered in This Video: Full Chapter Explanation & Exercise from Class 8 Science Chapter 13 Sound ======================================================= 0:00 Introduction to Sound 1:19 How to produce sound - Producing process of sound 7:24 Sound produced by humans - How to produce sound in Human Body 9:50 Activity - understanding for the working of vocal cords 10:48 Sound needs a medium for propagation 16:09 How hear sound through our ears 20:29 Properties of sound amplitude, time period, frequency 23:44 Properties of sound loudness and pitch 27:39 Which are audible and inaudible sounds 30:19 Noise pollutions 31:53 Measures to limit noise pollution 33:51 Solutions MCQ's 35:25 Solutions true and false 37:06 Solutions fill in the blanks 38:17 Solutions question answer ======================================================= 📢 🔥 Available (Kindergarten to 12th) all Video Subject wise Playlist https://www.pabbly.com/out/all-videos... Why study from Magnet Brains? Magnet Brains is an online education platform that helps gives you NCERT/CBSE curriculum-based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. 👉 Contact us 🤑🤑 ➡️ Connect with us : [email protected] ➡️ Website : https://www.magnetbrains.com/ ➡️ Subscribe to us on YouTube:    / @magnetbrainseducation   ➡️ Subscribe to Magnet Brains Hindi Medium :    / @magnetbrainshindimedium   ➡️ Subscribe to Magnet Brains IIT JEE & NEET:    / @magnetbrainsiit-jeeneet6538   ➡️ Subscribe to Magnet Brains Competition :    / @magnetbrainscompetition   ➡️Facebook-: https://www.magnetbrains.com/out/face... ➡️Telegram-: https://www.magnetbrains.com/out/tele... ➡️Instagram:-https://www.magnetbrains.com/out/inst... . Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."