Units and Measu...

The dimensional formula of pressure is 

The dimensional formula for the magnetic fields is 

The radius of nucleus is $$r = r_0 A^{{1}/{3}}$$, where $$A$$ is mass number. The dimensions of $$r_0$$ is 

Dimensional formula of modulus of elasticity is

Given  $$x = a + b t + c t ^ { 2 }$$  where  $$x$$  in metre and  $$t$$  in second. Find the dimensional formula of  $$b$$

Given  $$x = a + b t + c t ^ { 2 }$$  where  $$x$$  in metre and  $$t$$  in second. Find the dimensional formula of  $$C$$

If C be the capacitance and V be the electric potential,then the dimensional formula of $$ CV^2 $$ is 

Given that m is the mass suspended from a spring  force constant k. The dimension of the formula for $$\sqrt{m/k}$$ is same as that for 

If L be the inductance, R resistance and C be the capacitance of a capacitor, then dimensional formula of $$ \cfrac {L}{R} $$ and RC are

The dimensions of $$(\mu_{0}\epsilon_{0})^{-\dfrac {1}{2}}$$ are