Question
When a person wearing a perfume enters a room
it takes a minute to spread in the room..what causes that??
it takes a minute to spread in the room..what causes that??
Answers
bobpursley
Unless there is forced air circulation in the room.
Diffusion and Brownian motion is the answer. Perfume particles are large when compared to air particles. See this: https://www.youtube.com/watch?v=UC0bKzgQU9g
Diffusion and Brownian motion is the answer. Perfume particles are large when compared to air particles. See this: https://www.youtube.com/watch?v=UC0bKzgQU9g