Units and Measu...

Taking frequency $$f$$, velocity $$v$$ and density $$\rho$$ to be the fundamental quantities then the dimensional formula for momentum will be?

In the equation $$y=a\sin(\omega t+kx)$$, the dimensional formula of $$\omega$$ is?

The equation of alternating current $$I=I_0e^{-t/CR}$$, where $$t$$ is time, $$C$$ is capacitance and $$R$$ is resistance of coil, then the dimensions of $$CR$$ is?

The dimensions of time constant are:

The physical quantities not having same dimensions are 

Which of the following statement is correct about conversion of units, for example $$1 m = 100 cm$$

Out of the following the only pair that does not have identical dimensions is 

The dimensional representation of $$ab/RT$$ is 

If the momentum (P), area (A) and time (T) are taken to be fundamental quantities, then energy has dimensional formula.

(d) The correct relation is: