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प्रश्न
Give two examples each of conductors and insulators of heat.
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उत्तर
- Two examples of conductors of heat are:
- Aluminium
- Iron
- Two examples of insulators of heat are:
- Air
- water
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संबंधित प्रश्न
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.
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
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A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
Select the correct alternative
Heat in a liquid is transferred by
Why is the freezing chest in a refrigerator fitted near its top?
Give one example of heat transfer by radiation.
Conduction of heat takes place through a ______ substance.
Heat is the transfer of energy between two objects at different temperatures.
