Physics

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


ANSWER

$$r / y$$


SOLUTION
$$(\omega t + kx)$$ is dimensionless because sine and cosine operations are done on dimensionless quantities.
$$\therefore \omega t$$ and $$kx$$ are both dimensionless.
Out of the given options, only $$r / y$$ is dimensionless.
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Single Correct Medium Published on 18th 08, 2020
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