Question

We can get the smell of perfume sitting several metres away. This is due to the phenomenon of:

Answer 1

Diffusion is the intermixing of particles of two different types of matter on their own. When we spray a perfume, the particles of perfume intermix with the particles of air, and reach several metres away. This happens due to diffusion of the particles. Therefore, we can get the smell of perfume sitting several metres away.