Which of the following is dimensionless?

  • A
    $\frac{\text{Force}}{\text{Acceleration}}$
  • B
    $\frac{\text{Velocity}}{\text{Acceleration}}$
  • C
    $\frac{\text{Volume}}{\text{Area}}$
  • D
    $\frac{\text{Energy}}{\text{Work}}$

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Similar Questions

Which of the following is a unitless quantity?

Match List-$I$ with List-$II$:
List-$I$List-$II$
$(a)$ $h$ (Planck's constant)$(i)$ $[M L T^{-1}]$
$(b)$ $E$ (kinetic energy)$(ii)$ $[M L^2 T^{-1}]$
$(c)$ $V$ (electric potential)$(iii)$ $[M L^2 T^{-2}]$
$(d)$ $P$ (linear momentum)$(iv)$ $[M L^2 I^{-1} T^{-3}]$

Choose the correct answer from the options given below:

The Martians use force $(F)$,acceleration $(A)$,and time $(T)$ as their fundamental physical quantities. The dimensions of length in the Martian system are:

The dimensions of permittivity ${\varepsilon _0}$ are

What is the dimensional formula of the spring constant $k$?

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