Question

Dimensional formula for the angle of contact is

• A. $\left[M^{-1}{L}^{-1}{T}^0\right]$
• B. $\left[M{L}^1{T}^{-1}\right]$
• C. $\left[M^0{L}^0{T}^1\right]$
• D. $\left[M^0{L}^0{T}^0\right]$

Answer 1

Answer: (D)

[Angle of contact] $=$ [Angle] = Dimensionless
$=M^0{L}^0{T}^0$