Physical World Units And Measurements Ques 31
31. Of the following quantities, which one has dimension different from the remaining three?
[1989]
(a) Energy per unit volume
(b) Force per unit area
(c) Product of voltage and charge per unit volume
(d) Angular momentum.
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Answer:
Correct Answer: 31.(d)
Solution:
- (d) For angular momentum, the dimensional formula is $[ML^{2} T^{-1}]$. For other three, it is $[ML^{-1} T^{-2}]$.
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