Class 12 PHYSICS A dimensionless quantity... A dimensionless quantity A May have a unit B Must have a unit C May not have a unit D Must not have a unit Video Solution Struggling with Units And Measu... ? Get free crash course
Class 12 PHYSICS A dimensionless quantity... A dimensionless quantity A never has a unit B always has a unit C may have a unit D does not exit Video Solution free crash course Study and Revise for your exams Unlock now Text SolutionVerified by Experts The correct Answer is:A Show More ...
The unit associated with it may be considered a derived unit; it is said that such a dimensionless quantity has a coherent derived unit of one. Any ratio of two quantities of the same dimension will be dimensionless, and have dimension one. Thus Mach number and refractive index are dimensionl...
As far as the power density is concerned, in the purely elastic case (ηˆ=0) the quantity (27.37c) becomes Pˆ0(0)=2∑n=0∞1=+∞. Thus, we see that, in the purely elastic case, both discharge velocity and power density exhibit a blow-up at tˆ=0 in the case where the...
quantity (vari- ables and their respective expressions in the right column above) for each of the variables into equation (2), we get equation (3): vsvc⁎w = φPC(P⁎ − 1) + vsPC ε ddPt ⁎⁎ (3) sasmteteinavagTtedsnhymtiethou...
mayfarexceed10%.ifDorHhaserroraround10%.TherequiredaccuracyoffractaIdimensionandroughness exponentshouldbehigher,butitdependsonthespecificmateria1.theassociatedphysicalquantityandthescaleof measurement. KEYWORDS:Frectaldimension,Roughnesexponent,Reliability,Frac tur e Quantitativefractography al lur gistsduringthe...
A Never has a unit B Always has a unit C May have a unit D Does not exist Video Solution Struggling with Basic Maths ? Get free crash course | ShareSave Answer Step by step video & image solution for A dimensionless quantity by Physics experts to help you in doubts & scoring excellent...
Can a quantity have unit but still be dimensionless? 01:24 Define accuracy 01:19 What do you understand by the term systematic errors ? 01:16 Name any two sources of systematic errors. 03:09 Name a method for the measurement of large distances. 01:00 Define light year. 02:17 What does...
The Sieder–Tate correlation analyzes the system as a nonlinear boundary value problem and needs to be solved iteratively, as the viscosity factor changes as the Nusselt number changes. These examples demonstrate that a quantity does not have to be expressed as an explicit function to be subject...
The thermal coefficient, βT, is usually a positive quantity, while the solutal coefficient βS can be positive (N>0) or negative (N<0). For N>0, the thermal and solutal buoyancy forces are both destabilizing, i.e. the two buoyancy components make cooperative contributions, while for N...