Lecture Note
Dimensions and Dimensional Formulas in Physics
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University
University of Cambridge Course
0625 IGCSE | PhysicsPages
2
Academic year
2023
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drake Austin clay
Views
0
No. Drake auston Cray. Date Physics "Demensions" : Dimensions of Any Phy Sical quanty ty are those powers to which quantity. Dimonsion Formula . The expression of a Physical quantity in therms OF its dimenson. Dimensional Formula of Some Quantities Physical Q Percensional formala Mrs UNITS. 1. Area [C' M2. 2 Volume [L3 M3 3 Velocity (LT') Ms T. 4. Accelaration. LT-2 MS-2. 5 Workenergy ML2T2 Joule (y). 6 Power ML3T-3 J5-1 05 W. 7 Preasure ML-T-3 NM-2. 8 Force MLT-2. Merston (N) 9 Gnea MLT-1 KgMs' 10 Density ML-3 kgm3 4 Strain dimensionless Fg M-> 12 elasticity ML'T-2 MM 13 Surface MT NM 14
No. Date * Aplications of Dimensions - To check the accuracy of Physical equation. a. To change a physical quantity frome one System of Units. to another System Units To obtain a Relation between different physical Quantities
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