Dimension Analysis
"Can you identify a wrong physics formula in just 5 seconds without solving the problem? Today I'll show you a powerful trick used by scientists and JEE toppers—Dimensional Analysis."
In this video, you'll learn Dimensional Analysis, one of the most powerful tools in Physics that helps you:
✅ Check whether an equation is correct or not
✅ Derive relations between physical quantities
✅ Understand dimensional formulas easily
✅ Solve JEE, NEET & Board-level questions faster
✅ Avoid common mistakes in Physics problems
Topics Covered:
🔹 What is Dimension?
🔹 Fundamental & Derived Quantities
🔹 Dimensional Formula
🔹 Principle of Dimensional Homogeneity
🔹 Applications of Dimensional Analysis
🔹 Limitations of Dimensional Analysis
🔹 Important Examples & Exam Questions
This video is perfect for:
🎯 Class 11 Physics Students
🎯 JEE Main & Advanced Aspirants
🎯 NEET Aspirants
🎯 CBSE, ISC & State Board Students
If you find the video helpful, don't forget to:
👍 Like the video
💬 Comment your doubts
📢 Share with friends
🔔 Subscribe for more Physics content
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Nirjhar Mazumder, B.Tech, NIT Durgapur, Physics Faculty, Experience 8 Years, Aakash, PW, Resonance, Teaching Physics through this platform.
Introduction to physics
In this video, you'll learn Dimensional Analysis, one of the most powerful tools in Physics that helps you:
✅ Check whether an equation is correct or not
✅ Derive relations between physical quantities
✅ Understand dimensional formulas easily
✅ Solve JEE, NEET & Board-level questions faster
✅ Avoid common mistakes in Physics problems
Topics Covered:
🔹 What is Dimension?
🔹 Fundamental & Derived Quantities
🔹 Dimensional Formula
🔹 Principle of Dimensional Homogeneity
🔹 Applications of Dimensional Analysis
🔹 Limitations of Dimensional Analysis
🔹 Important Examples & Exam Questions
This video is perfect for:
🎯 Class 11 Physics Students
🎯 JEE Main & Advanced Aspirants
🎯 NEET Aspirants
🎯 CBSE, ISC & State Board Students
If you find the video helpful, don't forget to:
👍 Like the video
💬 Comment your doubts
📢 Share with friends
🔔 Subscribe for more Physics content
13/06/2026
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Unit and measurement problem
Unit and measurement
Physics PYQ
Unit and dimension PYQ
. A physical quantity A is related to four observable a, b, c and d as follows,
A = (a ^ 2 * b ^ 3)/(c * sqrt(d))
the percentage s of measurement of a, b, c and d are 1%, 3%, 2% and 2% respectively. What is the percentage in the quantity A
(A) 12%
(B) 7%
(C) 5%
(D) 14%
10/06/2026
Question from Unit dimension : For the equation F = A vod is velocity and d is density, gives the following values for where Fis force, A is area, v with the dimensional analysis exponents.
(a) a = 1 , b = 2 , c = 1
(b) a = 2 , b = 1 , c = 1
(c) a = 1 , b = 1 , c = 2
(d) a = 0 , b = 1 , c = 1
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