If someone were to light a cigar at one end of a closed room,persons at the other end of the room might soon perceive an odor due to gaseous emissions from the cigar.Such a phenomenon is an example of effusion.

Question

Quizplus · Accepted Answer

The phenomenon described is an example of diffusion, where particles spread out and mix with the air in the room, allowing the odor to be perceived at a distance. Effusion refers to the movement of gas particles through a small opening.

If Someone Were to Light a Cigar at One End