The force F on a sphere of radius a moving in a medium with velocity v is given by\[F=6\pi \eta av\] The dimensions of \[\eta \] are

The force F on a sphere of radius a moving in a medium with velocity v

1.	The force F on a sphere of radius a moving in a medium with velocity v is given by\[F=6\pi \eta av\] The dimensions of \[\eta \] are
A.	\[[M{{L}^{-3}}]\]
B.	\[[M{{L}^{-2}}]\]
C.	\[[M{{L}^{-1}}]\]
D.	\[[M{{L}^{-1}}{{T}^{-1}}]\]
Answer» E.