Question

In the relation, $y=rsin(\omega t+kx)$, the dimensional formula for kx or $\omega t$ is same as

• A. $r/\omega$
• B. $r/y$
• C. $\omega t/r$
• D. $yr/\omega t$

Answer 1

Answer: (B)

ωt and $kx$ both are dimensionless. Out of the given options, only r/y is dimensionless.