(a) When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance
(b) A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.

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Solution

(a) Atoms of incense stick when lighted get mixed with the particles of air. Then we are able to smell its fragrance.
This shows that atoms intermix with each other and the process is known as diffusion.

(b) Due to the diffusion of gases, particles of food cooking in the kitchen get mixed with air. Due to diffusion particles move from higher concentration to the lower concentration, so the smell of food reached her brother's room.

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Similar questions

Q. (a) When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
(b) A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.

(a) When an incense stick (agarbatti ) is lighted in one corner of a room, its fragracne quickly spreads in the entire room. Name the process involved in this.

(b) A girl is cooking some food in the kitchen, The smell of food being cooked soon reaches her brother's room, Explain how the smell could have reached her brother's room.

Q. When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.

Q. When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?

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When an incense stick is lighted in the corner of a room, its fragrance spreads quickly in the entire room.

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(a) When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance (b) A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.

(a) When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance
(b) A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.