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Solution :

According to principle of homogenity of dimensional equations, Dimensions of `L.H.S. =` Dimensions of `R.H.S.` <br> Here, `v =tan theta` <br> i.e., `[L^(1) T^(-1)] =` dimensionless, which is incorrect <br> Correcting the `L.H.S.` we. Get <br> `v//u=tan theta`, where u is velocity of rain.Related Video

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