Question

• Put an unlit incense stick in a corner of your class. How close do you have to go near it so as to get its smell? • Now light the incense stick. What happens? Do you get the smell sitting at a distance? • Record your observations. NCERT Class 9th Science Ch 1 Matter in Our Surroundings

Answer 1

this occurs due to diffusion (movement of particles) so that we feel the smell even at a very long distance