MCQ
In the relation:
$y=a \cos (\omega t+K x)$, the dimensional formula for $K x$ is the same as that of:
$y=a \cos (\omega t+K x)$, the dimensional formula for $K x$ is the same as that of:
- A$\frac{y a}{\omega t}$
- B$\frac{a}{\omega}$
- C$\frac{w t}{a}$
- D$\frac{a}{y}$


