Which of the following group have different dimension

  • [IIT 2005]
  • A

    Potential difference, $EMF$, voltage

  • B

    Pressure, stress, young's modulus

  • C

    Heat, energy, work-done

  • D

    Dipole moment, electric flux, electric field

Similar Questions

The displacement of a progressive wave is represented by $y = A\,sin \,(\omega t - kx)$ where $x$ is distance and t is time. Write the dimensional formula of  $(i)$ $\omega $ and $(ii)$ $k$.

The frequency of vibration $f$ of a mass $m$ suspended from a spring of spring constant $K$ is given by a relation of this type $f = C\,{m^x}{K^y}$; where $C$ is a dimensionless quantity. The value of $x$ and $y$ are

  • [AIPMT 1990]

Why concept of dimension has basic importance ?

$Assertion$ : Specific gravity of a fluid is a dimensionless quantity.

$Reason$ : It is the ratio of density of fluid to the density of water

  • [AIIMS 2005]

Dimensional formula of velocity of sound is