Dimensional equation CANNOT be usedA. to check the correctness of a physical quantity.B. to derive the relation between different physical quantities.C. to find out constant of proportionality which may be pure number.D. to change from one system of units to another system.
Answers
Answer ⇒ Option (c).
Dimensional equation CANNOT be used ''to find out constant of proportionality which may be pure number''.
Explanation ⇒ Dimensional Equations are used to derive the Relations between the Physical quantities . Also, they are used to Check the correctness of the Equation by the Principle of the homogeneity of the dimensions. Hence, Option (a) and option (b) are true for the Dimensional equation. Thus, It is not correct for the given questions.
Dimensional Equations are not valid for the Pure numbers since they are non-dimensional constants.and also they do not provide the Value of the Constant of the Proportionality.
Thus, we can also say that all equations which are correct must be dimensionally correct but all those equations which are dimensionally correct may or may not be accurately correct. Thus, Option Option (c). is correct answer for the Given question.
Dimensional Equations are used for the conversions of the units thus this option can not be correct for the given question.
Hope it helps. :-)
Answer:
C) find value of the proportionality in an
find value of the proportionality in an equation
Explanation:
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