UNITS & MEASUREMENTS in 100 Minutes | Full Chapter Revision | Class 11th JEE

📚 JEE Mind Map 2025 - https://physicswallah.onelink.me/ZAZB... 📚 Fighter Batch Class 11th JEE: https://physicswallah.onelink.me/ZAZB... 📚 Arjuna JEE 3.0 2025 : https://physicswallah.onelink.me/ZAZB... 📚 Lakshya JEE 3.0 2025: https://physicswallah.onelink.me/ZAZB... 📚 Prayas JEE 3.0 2025 : https://physicswallah.onelink.me/ZAZB... 📚 Arjuna JEE 2.0 2025: https://physicswallah.onelink.me/ZAZB... 📚 Lakshya JEE 2.0 2025: https://physicswallah.onelink.me/ZAZB... 📚 Prayas JEE 2.0 2025 : https://physicswallah.onelink.me/ZAZB... 📚 Arjuna JEE Hindi 2025 : https://physicswallah.onelink.me/ZAZB... 📚 Lakshya JEE Hindi 2025 : https://physicswallah.onelink.me/ZAZB... 📚 Prayas JEE Hindi 2025 : https://physicswallah.onelink.me/ZAZB... 📲 PW App/Website: https://physicswallah.onelink.me/ZAZB... 📚 PW Store: https://physicswallah.onelink.me/ZAZB... ------------------------------------------------------- 00:00 - Introduction 09:57 - Topics to be covered 11:47 - Measurement and system of units 11:55 - Physical quantities 13:26 - Measurement 15:54 - System of units 22:36 - Measurement of length 27:37 - Measurement of distance 32:17 - Measurement of mass 33:44 - Measurement of time 35:47 - Dimension and dimensional analysis 37:17 - Dimensions of physical quantities 40:40 - Dimensions of derived quantities 55:39 - Formulas to be learnt 1:01:51 - Dimensionless quantities 1:05:36 - Principle of homogeneity 1:10:18 - Dimensional analysis 1:14:44 - Significant figures 1:23:12 - Error in measurements 1:26:51 - Representation of Errors 1:28:46 - Combination of errors 1:32:34 - Measuring instruments 1:33:08 - Vernier callipers 1:36:25 - Screw gauge 1:45:41 - Homework 1:46:17 - Thank You Bacchon ------------------------------------------------------- 📌 𝐉𝐄𝐄 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 🌐 Telegram: https://t.me/pwjeewallah 🌐 Instagram: https://instagram.com/pwjee_wallah?ig... ------------------------------------------------------- 📌 𝐑𝐄𝐂𝐎𝐌𝐌𝐄𝐍𝐃𝐄𝐃 𝐂𝐇𝐀𝐍𝐍𝐄𝐋𝐒 𝐅𝐎𝐑 𝐘𝐎𝐔 🌐 Physics Wallah - Alakh Pandey:    / @physicswallah   🌐 JEE Challengers by PW:    / @jeechallengersbypw   🌐 Physics Wallah - English:    / @englishpw   🌐 PW - Hindi Medium:    / @pw-hindimedium   🌐 NCERT Wallah:    / @ncertwallahpw   🌐 Engineers Wallah - AE/JE:    / @engineerswallah   🌐 PW IITJAM & CSIR NET:    / @pwiitjamcsirnet   ------------------------------------------------------- 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 🌐 Telegram: https://t.me/Physics_Wallah_Official_... 🌐 Instagram:   / physicswallah   🌐 Facebook:   / physicswallah   🌐 Twitter:   / physics__wallah   🌐 LinkedIn:   / physicswallah   🌐 Quora: https://pwofficial.quora.com ------------------------------------------------------- 📌 For any Queries or Complaints visit: https://bit.ly/PW_Queries OR give a Missed Call on 07019-243-492 ------------------------------------------------------- #IIT #IIT2025 #JEEWallah #PhysicsWallah #class11thjee