According to Newton, the viscous force acting between liquid layers of area A and velocity gradient…

Q: According to Newton, the viscous force acting between liquid layers of area A and velocity gradient Δv/Δz is given by F = –ηA dv/dz, where η is constant called coefficient of viscosity. The dimensional formula of η is

(a) [ML–2T–2]

(b) [M0L0T0]

(c) [ML2T–2]

(d) [ML–1T–1]

Ans: (d)