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Check by the method of dimensions, wheth...

Check by the method of dimensions, whether the folllowing relation are dimensionally correct or not. (i) `upsilon = sqrt(P//rho)`, where `upsilon` is velocity. P is prerssure and `rho` is density. (ii) `v= 2pisqrt((I)/(g)),` where I is length, g is acceleration due to gravity and v is frequency.

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