NEET 2026 Physics: Units & Dimensions + Error Measurement - Vernier Calliper & Screw Gauge | 1 Shot

Preparing for NEET 2026 Physics? This power-packed One Shot session on Units & Dimensions + Error Measurement by Aman Mathur Sir covers complete theory, important formulas, dimensional analysis tricks, error calculation concepts, and previous years’ question patterns — all in one comprehensive class. A complete and detailed discussion on Vernier Calliper and Screw Gauge — from basic concepts to least count, zero error, and precise measurement techniques which includes how to take reading and how to do correction in reading. This chapter is extremely important for NEET Physics as it builds the foundation for numerical problem-solving and dimensional formula applications. ✅ Complete Concept Explanation ✅ Dimensional Formula Tricks ✅ Error Measurement & Significant Figures ✅ Important NEET PYQs Discussion ✅ Exam-Oriented Strategy for NEET 2026 If you are targeting 650+ in NEET 2026, this session will strengthen your Physics fundamentals and boost your accuracy. 🏆 Pay just ₹99 for ASAT and unlock up to 90% scholarship. Register now: http://myallen.in/neetasat 👉🏼 Join us on Instagram:   / allenneetofficial   📌 Aagaaz NEET 2026 Physics Playlist:    • NEET 2026 Physics One Shot - Aagaz Series ...   📌For PDF, Join ALLEN NEET Telegram - https://t.me/ALLENNEETOfficial Video Timestamps👇 00:00 Introduction 03:40 Content 05:28 Why Do We Need to Study Units? 15:31 Fundamental (Base) Units 17:28 Derived Units 22:49 System of Units 27:51 Fundamental (Base) Units (Revisited) 29:39 Derived Units (Revisited) 35:39 Plane Angle 38:51 Solid Angle 43:50 Useful Information (Learn) 46:07 Dimensions 01:03:08 Special Point 🔹 Dimensional Analysis 01:21:44 Applications of Dimensional Analysis 01:22:38 Unit Conversion 01:37:15 Principle of Homogeneity (Dimensional Correctness) 02:00:32 Derived Relationships 02:22:10 Limitations of Dimensional Analysis 🔹 Errors & Measurement 02:25:43 Error 02:31:11 Visualization of Error 02:37:49 Least Count 02:38:54 Absolute Error 02:45:57 Mean Absolute Error 02:46:29 Fractional (Relative) Error 02:47:29 Percentage Error 02:47:49 Error in Mathematical Operations 03:05:28 Order of Magnitude 03:15:28 Rounding Off 03:17:15 Rules for Arithmetic Operations 03:42:22 Significant Figures 🔹 Measuring Instruments 03:49:10 Vernier Callipers 04:08:29 How to Take Reading on Vernier Callipers 04:29:59 Zero Error 04:37:17 Example of Positive Zero Error & Correction 04:40:41 Example of Negative Zero Error & Correction 04:45:48 Questions on Vernier Callipers 05:09:12 Screw Gauge (Spherometer) 05:18:43 How to Take Reading on Screw Gauge 05:33:47 Positive & Negative Zero Error in Screw Gauge 05:36:59 Special Points on Vernier Callipers & Screw Gauge 05:41:33 Questions on Screw Gauge #NEET2026 #NEETPhysics #UnitsAndDimensions #ErrorMeasurement #PhysicsOneShot