Is it possible for a physical quantity to have dimensions but no units?

  • A
    Yes
  • B
    No
  • C
    Sometimes
  • D
    Depends on the system of units

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Similar Questions

The dimension of Planck's constant is equal to that of:

Different physical quantities are given in Column-$I$ and their dimensional formulas are given in Column-$II$. Match them appropriately.
Column-$I$ Column-$II$
$(a)$ Viscous force $(i)$ $[M^1 L^1 T^{-2}]$
$(b)$ Coefficient of viscosity $(ii)$ $[M^1 L^{-1} T^{-1}]$
$(iii)$ $[M^1 L^{-1} T^{-2}]$

Find the dimensional formula of $\rho g v$,where $\rho = \text{density}$,$g = \text{acceleration}$,and $v = \text{velocity}$.

The dimensional formula of permeability of free space $\mu_0$ is

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