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InterviewSolution
| 1. |
Given reasons for the following observation. The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close. |
| Answer» SOLUTION :SOLID DIFFUSE at very rate. But if the temperature of the solid is increased, then the rate of diffusion of the solid PARTICLES into air increases. This is due to an increase in the kinetic energy of solid particles. Hence thesmell of hot sizzling food reaches us even at a distance, bu to the smell from COLD food we have to go close. | |