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प्रश्न
Select the correct alternative
In the process of convection, heat travel
पर्याय
sideways
downwards
upwards
in all directions
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उत्तर
upwards
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संबंधित प्रश्न
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that ______.
Write true or false for a given statement.
On touching a lump of ice, we feel cold because some heat passes from our body to the ice.
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
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When a liquid boils, energy is absorbed.
Wrap a thin paper strip tightly around an iron rod. Try to burn the paper with candle while rotating the iron rod continuously. Does it burn? Explain your observation.
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