Question

why do we get the smell of hot food widely than the cold food

Answer 1

Answer:

Because of Diffusion, we get the smell of hot food more widely than cold food.

Explanation:

Diffusion is the action of a fluid from an area of more increased concentration to an area of lower concentration. Diffusion exists as an outcome of the kinetic properties of particles of matter. Diffusion may even be thought of as the direction of particles down a concentration gradient.

• The smell of hot meals reaches us faster as hot temperature permits easy movement of air particles, so higher temp more additional will be the smell whereas cold foods like salads, salami ham, etc smell-less due to the minor movement of air particles. This is called diffusion.
• In other words, Hot food increases the temperature of the air around it and hot air circulates faster and extends more as compared to cold air, so the smell of hot food arrives faster than cold food.

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Answer 2

Explanation:

we get the smell of hot food widely than the cold food because

• At lower temperatures, particles in cold food have low kinetic energy.
• At higher temperatures, particles have high kinetic energy and move faster .
• Hot food increases the temperature of the air around it and hot air spreads faster and spreads more as compared to cold air.
• So the smell of hot food comes faster than cold food.
• We feel hot food smell but not cold food because hot food vapour particle's moving continuously with air.
• But cold food not have any vapour particle .
• Due to this smell of hot sizzling food reaches you several meters away.
• But to get the smell from cold food you have to go close.

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