Heat transfer that does not require a medium is called:
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Correct Answer: Option A
Detailed Explanation:
Radiation is the mode of heat transfer that does not require any material medium (solid, liquid, or gas).
It travels through electromagnetic waves (infrared rays) and can occur in vacuum, such as the Sun's heat reaching Earth through empty space.
Question 1 of 5 Heat and Thermodynamics
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Due to temperature variation along a conductor, potential variation occurs along it....
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