COMEDK2022PhysicsThermal Properties of Matter

In which mode of transmission, the heat waves travel along straight line with the speed of light?

Options

AThermal radiation
BForced convection
CNatural convection
DThermal conduction

Correct answer

A. Thermal radiation

Step-by-step solution

Thermal radiation is the process by which heat is transferred in the form of electromagnetic waves. These waves travel through a vacuum or a medium at the speed of light, c 3 10⁸ m/s, and propagate in straight lines. Answer: Thermal radiation

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