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प्रश्न
Look at Figure. Mark where the heat is being transferred by conduction, by convection and by radiation.
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उत्तर
- Convection is taking place in boiling water.
- The heat coming into the stove is coming by conduction.
- The heat around the stove and utensils is coming from radiation.
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संबंधित प्रश्न
Give two examples each of conductors and insulators of heat.
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.
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.
Select the correct alternative
In the process of convection, heat travel
State the direction of heat transfer by way of convection.
Explain briefly the process of heat transfer by radiation.
Why are the houses in Rajasthan painted white?
Why are heaters fitted near the floor and air conditioners near the ceiling of a room?
When a liquid boils, energy is absorbed.
