👉 Practice Sheet - Go to Batch - Subject Section - Open DPP PDF Section. 📕 SPRINT Class-9th - https://physicswallah.onelink.me/ZAZB/0y4x6bma 📕 Telegram For Quizzes:- https://t.me/foundationwallah ✨ PLAYLISTS ✨ null    • ICSE Marathon Series || Class - 10th ...      • Padav Marathon Series || Class - 9th ...      • Padav Marathon Series || Class - 10th...   ✨ LINKS ✨ 📕 Mind map Class: 10th Batch - https://physicswallah.onelink.me/ZAZB/otswytoy 📕 Board Booster Batch Link: https://physicswallah.onelink.me/ZAZB/kvti24kf 📕 Neev Fastrack 9th CBSE: https://physicswallah.onelink.me/ZAZB/zvz93noo 📲 PW App/Website: https://physicswallah.onelink.me/ZAZB/PWAppWEb 📚 PW Store: https://physicswallah.onelink.me/ZAZB/vsff3zl9 ------------------------------------------------------- Unravel the mysteries of sound in one comprehensive shot! This Class 9th Physics video is your ultimate guide, covering the entire chapter with a blend of core concepts and Past Year Questions. Elevate your understanding and ace your exams effortlessly with this one-stop solution. Dive into the world of Class 9th Physics now! ------------------------------------------------------- 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐅𝐎𝐔𝐍𝐃𝐀𝐓𝐈𝐎𝐍 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 - 🌐 Instagram: https://www.instagram.com/foundationwallah_/ ------------------------------------------------------- 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 - 🌐 Telegram: https://t.me/Physics_Wallah_Official_Channel 🌐 Instagram: https://www.instagram.com/foundationwallah_ 🌐 Facebook: https://www.facebook.com/physicswallah 🌐 Twitter: https://twitter.com/physics__wallah 🌐 Linkedin: https://www.linkedin.com/company/78087354/admin 🌐 Quora: https://pwofficial.quora.com/ ------------------------------------------------------- ⏳ TimeStamps - "00:00 - Introduction 04:36 - Sound 07:30 - Waves 18:50 - Types of Waves 21:42 - Mechanical Waves 22:50 - Transverse Waves 3:23 - Longitudinal Waves 34:45 - Effect of sound on Density 38:45 - Effect of sound on Pressure 42:55 - Transverse Vs Longitudinal waves 45:04 - Exercises 49:26 - Sound waves 53:30 - Reflection of Sound 1:04:53 - Reverberation 1:06:37 - Uses of Reflection of sounds 1:09:17 - Range of hearing 1:12:00 - SONAR System 1:15:55 - Characteristics of a wave 1:23:21 - Characteristics of sound 1:28:34 - Exercises 1:36:05 - Human Ear 1:43:38 - Thankyou bachhon!" ------------------------------------------------------- 📌 For any Queries or Complaints visit: https://bit.ly/PW_Queries OR give a Missed Call on 07019-243-492 ------------------------------------------------------- #Sound #Class9th #PhysicsWallahFoundation #PhysicsWallah #CBSE #Class9thScience #Science #Theory #PYQ