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Heating food under a heating lamp is an example of heat transfer by?

convection


Is a heat lamp conduction convection or radiation?

A heat lamp primarily emits radiation to generate heat. The infrared radiation produced by the lamp heats objects and surfaces in its vicinity through electromagnetic waves, providing warmth in the room. Heat transfer through conduction or convection would involve physical contact or movement of air molecules, which isn't the main mechanism of heat transfer in a heat lamp.


What are the convection currents?

Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock. The heat transfer function of convection currents drives the earth's ocean currents, atmospheric weather and geology. Convection is different from conduction, which is a transfer of heat between substances in direct contact with each other.


What does convection have to do with the holes in the shade of a desk lamp?

Convection is the process of heat transfer through the movement of a fluid (such as air). The holes in the shade of a desk lamp allow hot air to rise and escape, creating a convection current that helps to cool the lamp and prevent overheating.


How does a lamp lose thermal energy?

A lamp loses thermal energy through convection, conduction, and radiation. Convection occurs as heat is transferred to the surrounding air, causing it to rise and carry heat away. Conduction involves direct contact with cooler surfaces, allowing heat to transfer through the lamp itself. Additionally, radiation emits heat in the form of infrared light.


The warmth you feel when standing beneath a heat lamp is an example of what?

The warmth you feel when standing beneath a heat lamp is an example of radiant heat transfer. The heat lamp emits infrared radiation, which travels in waves and is absorbed by your body, resulting in the sensation of warmth.


Is a lava lamp an example of convection?

Yes, a lava lamp is an example of convection. The movement of the colorful wax inside the lamp is due to differences in temperature causing it to rise and fall, creating a convection current.


How does radiation transfer heat to the atmosphere in a lava lamp?

In a lava lamp, the light bulb at the base emits radiation in the form of heat. This heat is absorbed by the surrounding liquid wax and substances, causing them to rise and fall, creating the lava lamp's iconic movement. The heat is then transferred to the surrounding air through convection, warming up the atmosphere around the lamp.


How is a lava lamp similar to convection currents?

Both a lava lamp and convection currents involve the transfer of heat through a fluid. In a lava lamp, the heated wax rises to the top, cools down, and sinks back down in a continuous cycle. This is similar to convection currents in fluids such as air or water, where heated fluid rises, cools, and sinks to create a circulating flow.


Food being warmed by infrared light is heat transfer by?

Thermal Radiation.Radiation.There are three main types of heat transfer methods in Thermodynamics. Radiation, Convection, and Conduction. Food warmed by infrared light is heat transfer by radiation. What you feel coming from the infrared lamp is radiant heatenergy.


Does a lava lamp show convection when heated?

Yes, a lava lamp demonstrates convection when heated. The heat from the light bulb at the base of the lamp warms the liquid wax, causing it to rise to the top of the lamp. As the wax cools, it descends back down, creating a continuous cycle of convection.


How do you get convention in a lava lamp?

The heat of the lamp causes the fluids to heat and expand. The two materials are of different thermal properties and are immiscible.The word you seek is convection.