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प्रश्न
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Look at Figure. Mark where the heat is being transferred by conduction, by convection and by radiation.
Write true or false for a given statement.
Medium is necessary for the transfer of heat by radiation.
Write true or false for a given statement.
Liquids are heated by conduction and radiation.
Fill in the blank
Heat transfer in liquids and gases is by ________.
Select the correct alternative
If we add a lump of ice to a tumbler containing water,
Select the correct alternative
Heat in a liquid is transferred by
Conduction of heat takes place through a ______ substance.
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Heat is the transfer of energy between two objects at different temperatures.
