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प्रश्न
Select the correct alternative
If we add a lump of ice to a tumbler containing water,
विकल्प
heat flows from water to ice
heat flows from ice to water
heat flows from water to ice if water is more
heat flows from ice to water if ice is more
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उत्तर
heat flows from water to ice
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संबंधित प्रश्न
Look at Figure. Mark where the heat is being transferred by conduction, by convection and by radiation.
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
State the direction of heat transfer by way of convection.
Explain briefly the process of heat transfer by radiation.
Give one example of heat transfer by radiation.
______ of heat does not require a medium.
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When ice changes into a liquid, it absorbs energy.
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