Which of the following is an example of heat transfer by radiation?



A. A fire warming a group of campers


B. An electric space heater warming a room


C. The Sun warming the Earth


D. All of these

Respuesta :

The correct answer is D. All of these. Trust me I did this question.

The Sun warming the Earth is an example of heat transfer by radiation.  

• The transferring of heat takes place by any of the three methods, that is, conduction, convection, and radiation.  

• In radiation, transferring of heat takes place when microwaves, visible light, infrared radiation, or another kind of electromagnetic radiation is absorbed or emitted.  

• One of the prime examples of radiation is the warming of the surface of the Earth by the Sun.  

Thus, option C is correct, that is, the Sun warming the Earth.

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