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2 METHODS TRICKS to WRITE DIMENSIONAL FORMULA in PHYSICS DIMENSIONAL
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DIMENSIONAL ANALYSIS PHYSICS TUTORIAL - Two methods of writing dimensional formula of any physical quantity with the very good example to understand simply. One is quick method while other is little lengthier. • ▻For Systematic Videos Playlist of Dimensional analysis - http://goo.gl/OHfW3 • ▻Concept of Dimensional Analysis - • Concept of Dimensional Analysis Physics • ▻First Use of Dimensional Analysis • 1st Use of Dimensional Analysis - To... • ▻Second use of dimensional formula - • 2nd Use of Dimensional Equations To... • 1. Quick Method of Writing Dimensional Formula - For this, we should know the unit of the physical quantity. We break the units into base form, into fundamental physical quantities form and then we just write the dimensional formula as we come to know, what makes that physical quantity. For e.g. Speed has unit m/s -- which means length/time so, dimensional formula of speed will be [L,T-1]. • 2. Longer method of Writing Dimensional Formula -- for this we need to know the formula of the physical quantity. Then , we put the dimensional formula of each and every physical quantity involved in the formula, that solving results us the dimensional formula of the required physical quantity. For e.g. -- acceleration = speed/ time = dimensional formula of speed/ dimensional formula of time = [L,T-1]/[T] = [L, T-2]
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