Identify the heat transferred in the following situations as conduction, convection or radiation.
¡] Water in a vessel placed on fire getting hot.
¡¡]Earth getting hot during the day.
¡¡¡]Skin burn upon touching a hot object.
iv]Hot air balloon rising in air.
v]Food getting cooked in a solar cooker.
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Answers
Answer:
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Answer: 1 convection
w2 radiation
3 conduction
4 convection
5 conduction
Explanation: Heat convection is the transfer of thermal energy by the physical movement of fluid (liquid, gas, or plasma) from one location to another. Heat convection is often the primary mode of energy transfer in liquids and gases
Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids
thermal radiation, process by which energy, in the form of electromagnetic radiation, is emitted by a heated surface in all directions and travels directly to its point of absorption at the speed of lightlight
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