Which method of heat transfer does not require a medium and allows heat, such as from the sun, to travel through the vacuum of space?

Explanation

Radiation is the transfer of heat through electromagnetic waves and does not require a medium, which is why heat from the sun can travel across the vacuum of space to reach Earth. All objects emit some thermal radiation, with hotter objects emitting more, and this principle is used in devices like infrared thermometers. Radiation differs from conduction and convection, both of which require a physical medium to transfer heat. Explore more Everyday Science MCQs on mcqstutor to keep practicing.