Physics And Measurement Question 256

Question: A, B, C and D are four different physical quantities having different dimensions. None of them is dimensionless. But we know that the equation $ AD=CIn\text{ (}BD\text{)} $ holds true. Then which of the combination is not a meaningful quantity?

Options:

A) $ \frac{C}{BD}-\frac{AD^{2}}{C} $

B) $ A^{2}-B^{2}C^{2} $

C) $ \frac{A}{B}-C $

D) $ \frac{(A-C)}{D} $

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Dimension of A $ \ne $ dimension of[c] Hence A - C is not possible.



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