Multiple choice

The speediest mode of heat transfer is

  1. conduction

  2. convection

  3. radiation

  4. combustion
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Radiation transfers heat via electromagnetic waves, which travel at the speed of light (approx. 3 x 10^8 m/s). Conduction and convection rely on the movement of particles or bulk matter, making them much slower processes.

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