Published by:
CGP EDU Academic Team
Published on: September 12, 2026
If P, Q, R are physical quantities, having different dimensions, which of the following combinations can never be a meaningful quantity?
A
B
PQ – R
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Physical quantities having different dimensions cannot be added or subtracted.
As P, Q and R are physical quantities having different dimensions, therefore they can neither be added nor be subtracted. Thus, can never a meaningful quantity.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Select the pair whose dimensions are same
Dimensional formula ML^{-1}T = does not represent the physical quantity
Dimensional formula mL^{2}T^{-2} represents
The dimensions of calorie are
Whose dimensions is \(\mathbf{ML} = \mathbf{T} \cdot \mathbf{r}\)
If l and \(\mathcal{R}\) are respectively the inductance and resistance, then the dimensions of \(\…