Question

Spreading of fragrance of a burning incense stick in a room shows that:​

Answer 1

Answer:

When we light an incense stick (agarbatti) in a corner of our room, its fragrance spreads in the whole room very quickly. The fragrance of burning incense stick spreads all around due to the diffusion of its smoke into the air.

Answer 2

Answer:

Spreading of the fragrance from a burning incense stick in a room is indicative that the particles of matter move constantly.

Explanation:

The particles of matter move from a place of higher concentration to a place of lower concentration. This process is known as Diffusion.

Diffusion is a property of liquids and gases wherein the particles move in a random motion from a region of its higher concentration to a region of its lower concentration.

For example: When we light a fragrant candle, burn an incense stick, open a perfume bottle or cook food, the fragrance or aroma travels throughout the room in a slow but constant manner and fills the whole room.