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How a campfire and microwave are examples of heat transfer through radiation?
Wiki User
∙ 8y ago
- Standing next to a campfire you will be warmed by its radiant heat (IR radiation).
- However a microwave cooker generates heat by boiling water inside the food, then the steam heats the food by a combination of conduction and convection (not radiation). There is some trivial heating of the microwave cooker's walls by IR radiation from the hot food, but this is so trivial you will not be able to measure it and the steam from the food will still condense on the cold walls (which is transfer through convection and warm them more than the IR radiation did).
Wiki User
∙ 8y ago
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What method does campfires transfer heat?
A campfire uses all three heat transfer methods conduction, convection, and radiation.
What is one example of heat transfer through radiation?
Heat transfer through radiation is probably best illustrated by the warming of the earth by the sun. Electromagnetic energy from the sun in the form of light travels through the vacuum of space to reach the earth and warm us.
What heat transfer uses electromagnetic waves to increase thermal energy?
Microwave Radiation is Very Effectively absorbed by Water molecules, this results in the increased thermal agitation of the Water molecules that absorb the Mw radiation - as found in Microwave ovens.
The transfer of energy as waves moving through space is called?
Radiation
The heat from a campfire is transferred by what energy?
Radiant heat transfer is the primary way you feel heat from a campfire. There would also be convective and conductive heat transfer to the air.
It is a cold night around the campfire. Megan is trying to get warm by sitting close to the fire and clutching her mug of hot chocolate. How is heat being transferred to chilly Megan?
From the fire the transfer is by radiation. From the coffee cup to Megan's hands the transfer is by conduction
How are microwaves transmitted?
Microwaves are electromagnetic radiation. They are electromagnetic waves, and they are transmitted like light or radio waves, both of which are forms of electromagnetic radiation. The radiation leaves the microwave source in waves, and this radiation will travel effortlessly through a vacuum, and with a bit of loss through air.
What is the radiation transfer of energy by?
what is the transfer of thermal energy by radiation
What is radiation is the transfer of energy?
what is the transfer of thermal energy by radiation
What is the transfer of energy by electromagnetic?
The transfer of energy by electromagnetic waves is called electromagnetic radiation. Light, radio waves and X-rays are a few other examples of this radiation phenomenon. The Transfer process is the "flow" of particles from one location to another. The best visual example is the transfer of "heat" from one source to another.
What is heated by radiation?
Radiation is a method of heat transfer that does not rely on any contact between the heat source and the heated object (as is the case with convection and conduction) Examples of radiation is heat from the sun or from the fliament of a light bulb
What is the transfer of energy by electromagnetic waves?
The transfer of energy by electromagnetic waves is called electromagnetic radiation. Light, radio waves and X-rays are a few other examples of this radiation phenomenon. The Transfer process is the "flow" of particles from one location to another. The best visual example is the transfer of "heat" from one source to another.
