Which of the following expressions has the dimensions of speed

PHYSICS · Subjective · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Which of the following expressions has the dimensions of speed?

A=\lambda\nu

B=\dfrac{2\pi}{\lambda T}

C=\dfrac{\omega}{k}

D=kT

. Write the letters corresponding to all correct expressions and give one reason for your choice.