Test if the following equations are dimensionally correct:

A. B.


C. D.


where h = height, S = surface tension, ρ = density, P = pressure,


V = volume, η = coefficient of viscosity, v = frequency and I =


moment of inertia.


A.


Dimensions of h = [L]


Dimensions of S = [MT-2]


Dimensions of ρ = [ML-3]


Dimensions of r = [L]


Dimensions of g = [LT-2]


Checking the R.H.S


Dimensionally


=


= [M0L1T0]


A. is dimensionally correct


B.


Dimensions of v = [LT-1]


Dimensions of P = [ML-1T-2]


Dimensions of ρ = [ML-3]


Checking the R.H.S


Dimensionally


=


B. is dimensionally correct


C.


Dimensions of V = [L3]


Dimensions of P = [ML-1T-2]


Dimensions of r4 = [L4]


Dimensions of t = [T]


Dimensions of l = [L]


Dimensions of η = [ML-1T-1]


Checking the R.H.S


Dimensionally


= =[L3]


C. is dimensionally correct


D.


Dimensions of v = [T-1]


Dimensions of m = [M]


Dimensions of g = [LT-2]


Dimensions of l = [L]


Dimensions of I = [ML2]


Checking the R.H.S


Dimensionally


=


D. is dimensionally correct


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