CBSE Class 11-science Answered
A dimensionally correct eqn need nt actually be correct bt dimensionally incorrect eqn is necessarily wrng. plz explai
Asked by Aarshiya Khandelwal | 26 Jul, 2013, 05:07: PM
Expert Answer
A dimensionally correct equation might not be correct.
Example -- If we define area of the circle as 2 * radius^2, then it would be dimensionally correct. However, fundamentally the equation is wrong.
On the other hand, the inverse is always true. So, a dimensionally incorrect equation is always wrong as the dimensions on both the sides of equation must match in all circumstances.
So, dimensional correction is a necessary but not sufficient condition for an equation to be correct.
Answered by | 27 Jul, 2013, 09:19: AM
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