Which form of heat transfer uses electromagnetic waves such as sunlight?

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Multiple Choice

Which form of heat transfer uses electromagnetic waves such as sunlight?

Explanation:
Radiation is the form of heat transfer that uses electromagnetic waves such as sunlight. Unlike conduction, which needs touch and transfers energy through particle interactions, or convection, which moves heat via the bulk flow of a fluid, radiation can occur through empty space. Sunlight travels as electromagnetic waves and brings energy to surfaces when those waves are absorbed, warming the material without any direct contact or moving air. Insulation isn’t a method of heat transfer; it’s a material that slows heat transfer by reducing conduction, convection, and radiation.

Radiation is the form of heat transfer that uses electromagnetic waves such as sunlight. Unlike conduction, which needs touch and transfers energy through particle interactions, or convection, which moves heat via the bulk flow of a fluid, radiation can occur through empty space. Sunlight travels as electromagnetic waves and brings energy to surfaces when those waves are absorbed, warming the material without any direct contact or moving air. Insulation isn’t a method of heat transfer; it’s a material that slows heat transfer by reducing conduction, convection, and radiation.

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