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?
diagram​

Answer 1

Answer:

You need to get really close to get to smell the unlit incense stick whereas when we light the incense stick we can get the smell even from a distance. The reason is simple . When we light the incense stick the kinetic energy increases . Due to the increase in kinetic energy the particles vibrate more