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Heat Transfer in Nature — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceHeat Transfer in Nature1 Mark
Question
A burning incense stick is fixed, pointing downwards. In which direction would the smoke from the incense stick move? Show the movement of smoke with a diagram.
✓

Answer

The smoke from the incense stick will move in the upward direction because smoke is a mixture of hot gases and tiny solid particles. Since hot air rises due to convection, the smoke moves upwards.

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