Are there some conditions for stoke's law to be obeyed. If no, explaine. If yes mention those conditions .

Explanation

Yes, the Stoke's law is valid under the following conditions:
1. the body falling in the viscous medium must be perfectly rigid and smooth.
2. There is no slip between the body and the medium.
3. The motion of body in the medium does not cause any turbulent motion or eddies in the medium.
4. The size of the body must be small but it should be greater than the distance between the molecules of the medium
5. The medium is homogeneos and continuous for a moving body in it.