Units and Measu...

Dimensional formula $$[{ M }^{ 1 }{ L }^{ 0 }{ T }^{ -2 }]$$ is equal to dimensional formula of 

Dimensional formula of momentum is :

If $$\eta$$ represents the coefficient of viscosity and $$T$$ the surface tension, then the dimension of $$\cfrac{T}{\eta}$$ is same as that of:

The dimensions of universal gas constant is

Velocity gradient has same dimensional formula as

Velocity gradient has dimension of

The dimensional formula for the acceleration, velocity and length are $$\alpha { \beta  }^{ -2 }, \alpha { \beta  }^{  -1 }$$ and $$\alpha y$$. What is the dimensional formula for the coefficient of friction ? 

If  $$S = \dfrac { d } { t } + \dfrac { e } { ( f - t ) ^ { 2 } } ,$$  where  $$S$$  is the displacement of the body in time  $$t .$$  Find the dimensions of  $$e$$  and  $$f$$

The dimension of electric permittivity is

Find dimension formula of polarisation?