Physics - Unit & Dimension Question with Solution | TestHub

The unit of $\lambda$ is same as that of $x$ and $A$

The unit of $\lambda$ is same as that of $x$ but not of $A$

The unit of $C$ is same as that of $\frac{2\pi }{\lambda }$

The unit of $(ct-x)$ is same as that of $\frac{2\pi }{\lambda }$