Physical World Units and Measurements - Result Question 35

37. Of the following quantities, which one has dimension different from the remaining three?

(a) Energy per unit volume

[1989]

(b) Force per unit area

(c) Product of voltage and charge per unit volume

(d) Angular momentum.

Show Answer

Answer:

Correct Answer: 37. (d)

Solution:

  1. (d) For angular momentum, the dimensional formula is $[ML^{2} T^{-1}]$. For other three, it is $[ML^{-1} T^{-2}]$.