A dimensionless quantity

  • A
    never has a unit
  • B
    always has a unit
  • C
    may have a unit
  • D
    does not exist

Similar Questions

Whose dimensions is $M{L^2}{T^{ - 1}}$

Match List $I$ with List $II$
List $I$ List $II$
$A$ Spring constant $I$ $(T ^{-1})$
$B$ Angular speed $II$ $(MT ^{-2})$
$C$ Angular momentum $III$ $(ML ^2)$
$D$ Moment of Inertia $IV$ $(ML ^2 T ^{-1})$
Choose the correct answer from the options given below

  • [JEE MAIN 2023]

Select the pair whose dimensions are same

Match List$-I$ with List$-II.$
List$-I$ List$-II$
$(a)$ Torque $(i)$ ${MLT}^{-1}$
$(b)$ Impulse $(ii)$ ${MT}^{-2}$
$(c)$ Tension $(iii)$ ${ML}^{2} {T}^{-2}$
$(d)$ Surface Tension $(iv)$ ${ML} {T}^{-2}$
Choose the most appropriate answer from the option given below :

  • [JEE MAIN 2021]

The dimensional formula of angular impulse is:

  • [JEE MAIN 2024]